It's going to be a long time yet before devices like the Galaxy S III and Acer's Iconia Tab A700 get Jelly Bean 4.2, and the Samsung Captivate and Galaxy S II probably won't ever get another OS version update. That's why we love us some custom ROMs, and the CyanogenMod team has released nightlies of CM10.1 to all of these devices, including the MetroPCS and US Cellular variants of the GSIII.
CyanogenMod 10.1 Nightlies Available For The Samsung Captivate, AT&T Galaxy S II, Galaxy S III (Metro PCS, US Cellular), And Acer Iconia A700 [Updated] was written by the awesome team at Android Police.
