An easy analysis then is to sort the units by plus/minus to see which 5-man groups have been posting the best results.

Most Productive Five-Man Floor Units (as of 1/03/05, sorted by +/- rating)

#	Team	Unit	Min	Off	Def	+/-	W	L	W%
1	PHO	Nash-Richardson-Johnson-Marion-Stoudemire	590	1432	1232	+200	23	6	79 %
2	SAS	Parker-Ginobili-Bowen-Duncan-Nesterovic	348	706	565	+141	22	9	70 %
3	SAC	Bibby-Christie-Stojakovic-Webber-Miller	527	1160	1055	+105	15	9	62 %
4	WAS	Arenas-Hughes-Jeffries-Jamison-Haywood	373	802	730	+72	13	10	56 %
5	CLE	McInnis-Newble-James-Gooden-Ilgauskas	401	807	741	+66	13	11	54 %
6	CLE	McInnis-Snow-James-Gooden-Ilgauskas	124	281	218	+63	14	6	70 %
7	DAL	Terry-Finley-Howard-Nowitzki-Dampier	97	241	192	+49	7	2	77 %
8	SEA	Daniels-Allen-Lewis-Radmanovic-Evans	80	195	147	+48	14	3	82 %
9	MIA	D.Jones-Wade-E.Jones-Laettner-O'Neal	88	206	160	+46	10	6	62 %
10	DAL	Terry-Stackhouse-Howard-Nowitzki-Dampier	93	211	165	+46	8	6	57 %
11	IND	Tinsley-Jackson-Artest-Croshere-O'Neal	106	244	198	+46	4	1	80 %
12	SEA	Daniels-Allen-Lewis-Radmanovic-Fortson	106	256	212	+44	15	5	75 %
13	SAS	Parker-Ginobili-Bowen-Rose-Duncan	44	104	61	+43	8	3	72 %
14	DET	Billups-Hamilton-Prince-R.Wallace-B.Wallace	438	798	755	+43	11	8	57 %
15	MIA	D.Jones-Wade-E.Jones-Haslem-O'Neal	232	530	488	+42	12	7	63 %
16	SEA	Daniels-Allen-Radmanovic-Collison-Fortson	77	173	134	+39	11	9	55 %
17	MEM	Watson-Battier-Miller-Gasol-Wright	89	193	155	+38	7	2	77 %
18	ORL	Francis-Hill-Turkoglu-Howard-Cato	46	111	75	+36	7	1	87 %
19	SAS	Udrih-Brown-Ginobili-Duncan-Nesterovic	19	63	28	+35	6	2	75 %
20	LAL	Atkins-Bryant-Jones-Odom-Cook	54	126	91	+35	9	3	75 %
21	WAS	Arenas-Hughes-Hayes-Jamison-Haywood	145	338	305	+33	10	8	55 %
22	ORL	Francis-Hill-Turkoglu-Howard-Battie	64	144	112	+32	8	4	66 %
23	MIN	Cassell-Sprewell-Szczerbiak-Griffin-Garnett	74	161	129	+32	8	5	61 %
24	CHI	Duhon-Hinrich-Deng-Davis-Curry	189	340	308	+32	9	7	56 %
25	MIA	D.Jones-Wade-Butler-Haslem-Doleac	32	84	54	+30	7	2	77 %
26	HOU	Ward-McGrady-Jackson-Taylor-Ming	167	323	293	+30	6	5	54 %
27	DEN	Miller-Buckner-Anthony-Martin-Nene	40	92	63	+29	5	2	71 %
28	DET	Billups-Hamilton-Prince-McDyess-B.Wallace	57	143	115	+28	6	5	54 %
29	NYK	Marbury-Houston-T.Thomas-K.Thomas-Mohammed	95	205	177	+28	4	4	50 %
30	PHI	Iverson-Salmons-Korver-Williamson-Jackson	44	108	82	+26	5	2	71 %

The Phoenix Suns continue to lead the pack with "highest grossing" plus/minus five man unit. The main five of the Spurs and Kings are definite contenders though should the top group falter.

For the extra details on why units are working, look at the following numbers:

Top Five-Man Floor Units, Details

#	Unit	eFG	eFGA	FTA	Close	dClose	Reb	T/O
1	Nash-Richardson-Johnson-Marion-Stoudemire	.566	.487	+88	34%	36%	93%	+4%
2	Parker-Ginobili-Bowen-Duncan-Nesterovic	.510	.413	+25	39%	36%	107%	+3%
3	Bibby-Christie-Stojakovic-Webber-Miller	.525	.478	+28	35%	37%	91%	+3%
4	Arenas-Hughes-Jeffries-Jamison-Haywood	.480	.487	+77	33%	28%	106%	+5%
5	McInnis-Newble-James-Gooden-Ilgauskas	.493	.457	+24	40%	34%	104%	-1%
6	McInnis-Snow-James-Gooden-Ilgauskas	.518	.439	+30	36%	27%	107%	+3%
7	Terry-Finley-Howard-Nowitzki-Dampier	.609	.464	-4	35%	34%	97%	+4%
8	Daniels-Allen-Lewis-Radmanovic-Evans	.606	.477	+22	25%	39%	110%	-2%
9	D.Jones-Wade-E.Jones-Laettner-O'Neal	.531	.370	+25	44%	33%	93%	+4%
10	Terry-Stackhouse-Howard-Nowitzki-Dampier	.459	.429	+21	31%	29%	119%	+4%
11	Tinsley-Jackson-Artest-Croshere-O'Neal	.600	.429	+3	37%	37%	87%	-4%
12	Daniels-Allen-Lewis-Radmanovic-Fortson	.550	.465	+28	35%	29%	101%	+1%
13	Parker-Ginobili-Bowen-Rose-Duncan	.474	.366	+26	42%	27%	119%	+7%
14	Billups-Hamilton-Prince-R.Wallace-B.Wallace	.439	.420	+26	36%	38%	101%	+1%
15	D.Jones-Wade-E.Jones-Haslem-O'Neal	.575	.508	+13	46%	30%	97%	+1%
16	Daniels-Allen-Radmanovic-Collison-Fortson	.543	.416	-13	29%	21%	104%	+7%
17	Watson-Battier-Miller-Gasol-Wright	.503	.496	+13	46%	31%	119%	+4%
18	Francis-Hill-Turkoglu-Howard-Cato	.545	.420	+18	38%	47%	97%	+8%
19	Udrih-Brown-Ginobili-Duncan-Nesterovic	.706	.286	+9	53%	17%	95%	+17%
20	Atkins-Bryant-Jones-Odom-Cook	.560	.397	+10	27%	34%	108%	-3%
21	Arenas-Hughes-Hayes-Jamison-Haywood	.484	.472	+7	30%	27%	104%	+6%
22	Francis-Hill-Turkoglu-Howard-Battie	.486	.436	+25	35%	37%	117%	+1%
23	Cassell-Sprewell-Szczerbiak-Griffin-Garnett	.470	.386	0	24%	39%	100%	+4%
24	Duhon-Hinrich-Deng-Davis-Curry	.487	.402	-14	41%	29%	97%	-4%
25	D.Jones-Wade-Butler-Haslem-Doleac	.582	.400	-10	31%	36%	121%	+2%
26	Ward-McGrady-Jackson-Taylor-Ming	.511	.456	-4	32%	25%	95%	0%
27	Miller-Buckner-Anthony-Martin-Nene	.575	.425	+13	57%	33%	106%	+6%
28	Billups-Hamilton-Prince-McDyess-B.Wallace	.560	.476	-14	36%	38%	121%	+3%
29	Marbury-Houston-T.Thomas-K.Thomas-Mohammed	.537	.462	-3	28%	28%	96%	+3%
30	Iverson-Salmons-Korver-Williamson-Jackson	.577	.457	+7	29%	28%	105%	+9%

Legend: Min = the percentage of the team's total minutes the unit was on the floor. +/- = the team net points for the unit. W = number of games a unit outscored its opponents while on the court. L = number of games a unit was outscored by its opponents while on the court. Win% = the winning percentage for the unit based on Wins versus Losses. eFG = the effective shooting percentage, adjusted for the value of 3-point shots. eFGA = the effective shooting percentage allowed to opponents. FTA = net free throw attempts per 48 minutes. Close = the percentage of shots taken from close range. dClose = the percentage of opponents' shots taken from close range. Reb = the rebound percentage for the unit, based on off. reb% + def. reb% T/O = the net turnover percentage for the unit based on opponent turnovers minus unit turnovers.