It looks like HTC is using the Desire Z and Desire HD as inspiration for their latest AT&T Android, called the HTC Inspire 4G. That 4G name is being tossed around like a hot potato these days, and the Inspire runs on AT&Ts HSPA+ network.
The above image is from Engadget but rest assured we’ll be getting ample hands on with the Inspire 4G and other AT&T Androids announced at CES.