from Alex' post
I took the 16" tires into Excel, elimintated all but the summer "max performance" and "ultra high performance" (because summer tires is what I want) and added the appropriate speed ratings, then sorted by speed rating, then by weight and posted it here in case this will help anyone out.

Tire Rack offered models in 205/50/16
Brand & Model________________________Weight____Speed rating
Dunlop Sport 9000____________________20.5 lbs_____Z
Goodyear Eagle F1 GS-D3______________22 lbs_____Z
Michelin Pilot Sport____________________20 lbs_____Y
Pirelli P Zero Aysimetrico_______________20 lbs_____Y
Pirell P Zero Nero______________________22 lbs_____Y
Pirelli P Zero Rosso Aysimetrico_________26 lbs_____Y
Yokohama AVS ES100_________________20.4 lbs_____W
Bridgestone Potenza S03 Pole Position__24 lbs_____W
Kumho Ecsta Supra 712 W______________24 lbs_____W
Goodyear Eagle Hp ultra plus___________25 lbs_____W
Sumitomo HTR Z______________________25 lbs_____W
Dunlop Sport FM901___________________21 lbs_____V
Kumho Ecsta Supra 712 V______________21 lbs_____V