do you want a certain size? like a 2x10, 1x12... etc?

I recommend going analog, but you really cant get any tube amps for 200 bucks.

some good cheap amps are the Line 6 Spider, Peavy Bandit, just about anything Marshal, Roland Cube, Fender Frontman. save up another 200 bucks and get the Peavy valveking... thats what Im saving for.