Prices can vary a bit depending on size. The Falkens used to be universally cheap, but not so much any more. Star Specs are a bargain in some of the smaller sizes now. RS3's are a little pricier, but perhaps worth it if you're in tight autocross competition. I think the R1R is the best of all of them, but it's also pretty expensive.
For just something to learn the car and get some track time on, I wouldn't worry about it too much. ANY of them will work just fine. Shop for the best price in the size you want and run with it.