at&t prepaid cellphones better than t- mobile?

at&t prepaid cell phones has HD7 from HTC is one of the fore running handsets,at this time. comes with windows mobile 7,Camera of 5.0 megapixel and Zoom 2X ,Live video capture and playback, Mobile Email supports POP3/IMAP, Yahoo!, Push Corporate e-mail, Push Gmail, Push via ActiveSync, Supports the music formats of MP3, AAC, AAC+, eAAC+, WAV, M4A, M4B, WMA (Windows Media Audio 9), WMA Pro, AMR, POWERFUL PROCESSOR with the 1 GHz Qualcomm QSD8250 processor, 3G high-speed data and voice, World phone with Quad-band. the contract term is 2-year with att. Nation Unlimited for calling comes for $69.99/month and DataPro 2 GB for Smartphone is for $25.00/month and Messaging Unlimited costs $20.00/month. apart from you can pay $499 for handset once and then pick the pay-as-you-go plan for as low as half of what you might for in the monthly plans. take a decision by checking other options at the att website also.