What yr & vehicle do you have?
bpd uses this combo for the rear 2010 SHO
20x10 TSW Nurburgring, 75/40 ZR 20's (Continental Extreme Contact DWS's), 40mm Offset
If you went 9.5s all the way around you could avoid a staggered setup. First-SHO used this 2011 SHO
Forgestar F14's 20 x 9.5 all around with Nitto Invo 275/40-20's. Offset +36 Front and +42 rear