What ti calculator should i buy?

i have a ti 82 now, but ut cannot do all the stuff a joiner relly needs, so im getting a new one, i have to take the acts in march (in michigan its a law that we all must take it) and so i was wondering what the best calculator is that i can use, i would also like it to play games : ) i know most do now of days, but i want one that can run games like insanity and tetris