The website is a little weird after the recent swap. Best thing to get around oddball things when posting, start and post, then refresh the page. It will "send" the server an update faster. You know something is pending when you have 3 ornage bars going left and right on the top of the screen in the black bar.
As far as tuning, you have crome, neptune, ectune, hondata s300, demon with chip burner and ZIF socket conversion, or you can go universal. AEM Series II, AEM Infinity, Haltech, Motec, DIY Speeduino, and a few others i forget.
Find one that suits your budget. The Speeduino is awesome for the price.