Only experience with both tires (V700 and RA1) is on my 99 Trans Am.. I'm running RA1s on the RX-7 (spec tire). I felt that the V700s were grippier, but would get greasy when really pushed.. The Toyos definitely didn't have as much grip in the normal race range, but IMHO, held up better when I really went at it. Longetivity wise, the Toyo wins hands down.

Just my .02