I have:
iphone 4s
iPad 2
Uverse TV & Internet, and an HBO subscription with it.
PS3
I just tried an iPad HDMI cable and the HBOtoGO app is blocking output through HDMI. Says here that block is expected: http://reviews.cnet.com/8301-19512_7-57405715-233/how-to-watch-hbo-go-on-your-apple-tv-sort-of/
Some say Apple TV (which I haven't bought yet) will do it. That article I link says it won't.
iphone 4s
iPad 2
Uverse TV & Internet, and an HBO subscription with it.
PS3
I just tried an iPad HDMI cable and the HBOtoGO app is blocking output through HDMI. Says here that block is expected: http://reviews.cnet.com/8301-19512_7-57405715-233/how-to-watch-hbo-go-on-your-apple-tv-sort-of/
Some say Apple TV (which I haven't bought yet) will do it. That article I link says it won't.