Here are the top pics I found on 205/50=15, assuming that is the right size.
potenza-
Bridgestone Potenza RE-11
Direzza's-
Dunlop Direzza Sport Z1 Star Spec
advan-
Yokohama ADVAN Neova AD08
These seem like a good wear/grip tradeoff)bfg gforce)-
BFGoodrich g-Force Sport
I have no idea....My car is lowered, stiffer tbars, bilstiens, and a narrow body 76.