I did some simply searches on WheelSpecs.com to find these results... Again, these are just wheels that will work FOR SURE, provided you follow the recommended tire sizes. I know there are more out there, but these were all of them that have the offset listed on WS.com and gives a good start. If you have found some others post them and I can update the list.
Note: I didn't list any 6.5" wide wheels because that isn't a general size that people upgrade to. If there becomes a need I can go thru.
15x7 (+45-50mm) for 4th Gen.
Buddy Club P1 Racing
Volk Racing TE-37
15x7 (+45-50mm) for 5th Gen.
Buddy Club P1 Racing
15x7.5 (+48-52mm) for 4th Gen.
Volk Racing TE-37
15x7.5 (+48-52mm) for 5th Gen.
None
16x7 (+45-50mm) for 4th Gen.
Advan RC
Advan RC II
Advan RC Rally & Dirt Trial
Advan TC
Buddy Club P1 Racing QF
United Arrows S-05 Eurostar
Mugen RG
16x7 (+45-50mm) for 5th Gen.
Advan RC
Advan RC II
Advan RC Rally & Dirt Trial
BBS RG II
Buddy Club P1 Racing QF
WedsSport RS-5SS TSSC
5Zigen Fighter
Advan RC II
Mugen MF10
Mugen RG
17x7 (+45-50mm) for 4th Gen.
Advan Model 7
Advan RC
Advan RC Rally & Dirt Trial
Advan TC
BBS RG II
BBS RV-F
Konig Appeal
United Arrows S-05 Eurostar
Volk Racing AV3
Volk Racing F-Zero Challenge
Volk Racing Winning
17x7 (+45-50mm) for 5th Gen.
5Zigen Fighter
Advan Kreuzer Series V
Advan Model 5
Advan Model 7
Advan RC
Advan RC Rally & Dirt Trial
Advan TC
BBS RV-F
BBS RG II
BBS RS-GT
Konig Appeal
KYH Circlar GTA
KYH Tracer
Mugen M12
Starform Basel 7
United Arrows S-05 Eurostar
Volk Racing F-Zero Challenge
Volk Racing Winning
Volk Racing AV3
17x7.5 (+48-52mm) for 4th Gen.
Advan Siena SR01
17x7.5 (+48-52mm) for 5th Gen.
Advan RG
Advan RC II
BBS LM
BBS RGR
Mugen MF10
SSR Type C
Volk Racing SE37K
Volk Racing TE-37
WedsSport RS-5SS TSSC
18x7.5 (+48-52mm) for 4th Gen.
Advan Model 7
United Arrows S-05 Eurostar
18x7.5 (+48-52mm) for 5th Gen.
5Zigen Fighter
Advan Kreuzer Series V
Advan Model 5
Advan Model 7
Advan TC
BBS RGR
BBS RS-GT
KYH Tracer
Prodrive GC-07
SSR Type C
United Arrows S-05 Eurostar
Volk AV3
Volk Racing TE-37