Flip, Slide, Clam and Open style mobile phones!

We've had Flip phones (aka Clam shell) and Open phones for years.. but it seems "slide" is all the rage.. I did used to like "flipping" but I'm not convinced on sliding yet! and it's another moving part which could break.. Here's me hoping phones in the style of K800i and P1i will remain popular ;) The market is definitely big enough to support the variety we have though.