Well, there are a bunch, read other threads by using the search function in this particular forum. Just to give you a start, high performance tires that a lot of guys use here are:
-Bridgestone Potenza's SO3 Pole Position
-Michelin Pilot Sport and Pilot Sport A/S (All Season)
There are many more... check out Tirerack for reviews and your tire size which is 235/45/17. Hope this helps.
99 GS400 Silver Nav | Gray Interiror | RMM Front & Grill & Exhaust | Veilside Side Skirts and Rear | Tein FLEX | TRD Strut Bar | SRT HFI Level 2 | HRE 446R 19x8.5 19x10| Quantum 35% tint all around