ATI's Catalyst 10.8 drivers are quite a treasury cove, as VR Zone noticed that these drivers contain references to a whopping 36 upcoming Southern Islands GPUs! Oddly enough, all codenames are prefixed by a "NI", which might stand for Northern Islands.
It's a quite overwhelming list with seven sub-families and ten codenames, but VR Zone managed to make some sense of it. Included on the list are desktop GPUs, laptop GPUs and FirePro workstation cards, and interestingly it seems we can also expect dual-core "Gemini" versions of three of the ten codenames.
The most dominant codename happens to be Cayman. Most of the Cayman based cards, however, have a "GL" suffix, which might imply FirePro products. Cayman XT and Cayman Pro are included, however, which suggest desktop products. Next is Antilles Pro and Antilles XT, under the Cayman sub-family. This might suggest notebook versions of Cayman.
Next is Blackcomb, available in four-six variants. Blackcomb XT/PRO and Blackcomb LP. Normally, the codenames are XT, PRO and LE. (e.g. HD 5870, HD 5850, HD 5830 are Cypress XT, Cypress Pro and Cypress LE respectively) It is possible LE has now been replaced by LP, though LP could also stand for "Low Power". Most interestingly, there are "Gemini" versions of the same Blackcomb products, which surely stands for Dual-GPU.
Barts is another codename we have heard about. It is available in GL/FirePro form, as well as Barts XT and Barts Pro for the desktop/notebook.
Next up is Whistler. Similar to Blackcomb, it is available in XT/PRO and LP, and Gemini versions of the same.
The next sub-family is Turks, as Onega, Turks XT and Turks PRO. Seymour follows the same pattern as Blackcomb and Whistler, with XT/PRO, LP and Gemini versions.
Finally, Caicos covers Caicos GL PRO, Caspian PRO and Caicos PRO. Like Turks, Caicos has a second codename in the family.
Some of these chips will be released later this year, but because the list is so long it's likely that some of these GPUs are part of a later "Southern Islands" refresh, and possibly some of these chips may even be part of the future "Northern Islands" generation.
The full list with all the codenames can be found below: