[Q] Recommend me a replacement AT&T phone

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http://forum.xda-developers.com – I'm in the market for a replacement AT&T phone...doesn't have to be new, but does have to be fully compatible with AT&Ts data system, as in I don't want to give up 4G. I currently have an Inspire 4G, and overall I'm happy with the phone, but it lacks in two catagories - availability of a proper car dock, and some way of extending battery life. Prior to this I had an HD2, and was quite happy with it. When I switched to AT&T, I took the Inspire as it appeared to basically be an HD2 for the AT&T system. My fault for not thinking about it, and realizing that I wouldn't be a (HowTos)