I am already using a HTC phone, and I am comfortable using PPC , i want to buy a new phone as my old HTC phone is having some unrecoverable hardware problem, please suggest me weather I should go for Iphone or HTC latest model.

I just bought a sprint PPC 6700 and I really want the new iphone theme for it.you kno the slide2unlock and the whole chabang but i have no idea where and how to do it.i would really like to find a website that does it for free.If anybody out there can help me pleaze do.i would really appreciate it.pleaze and thank you people.