Yes. The rival is a touch screen, but only to some variations. Its touch for call dialing and when open, the side buttons and OK button. No scrolling or any other fancy features.
Motorola makes their own Rival a455 case that works very well with the Rival.
The Motorola w755 Phone comes in purple as does the Motorola Rival A455 Phone. If you do not like those phones, you can always get a phone cover for the phone that you do purchase.
Considering it doesn't sound like it is stock it's impossible to tell how much HP it has without knowing exactly what has been done to it.