Check out the sticky about on here about it.

In all honesty, if you're cool with the look of a Sterilite tub, build it yourself. It's super easy, and costs very little.

If you needed more urging to go with a tub, I fought a tank for several months, and never got the temps or humidity right. When I got the snake I have now, I bought all the stuff for the tub, and once it was all assembled, it was stabalized within an hour.