Locked boot loader will never let custom ROMs onto the box and x86 GMTV is dying. The newer boxes are arm based.
Maybe after root is released it'll be developed further. In wouldn't hold my breathe.
HTC one s - cm10 jellybean unofficial
T-mobile g1 - cm6
T-Mobile g2- andromadus ics beta
T-Mobile hd2- cm9 by tytung
HP touchpad- CM9 alpha 2
Logitech revue- OTA downgrade 3.1
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