T.K.
I have Verizon, so, I can't tell you which phone, but I can tell you that I have a phone with a slide out keyboard. Ilove the versatility of that feature, but, it has a glitch. Sometimes when I slide it open or closed in the middle of a text, it shuts itself off. Very Frustrating. When you go to the Tmobile site, you should be able to sort your results by the features you want and also by the reviews. Look at the reviews closely. Once you've narrowed it down, you can go to independant review sites, like Cnet to get professional product reviews.