AMD Southern Islands GPU codenames found

The TC Mag reports the codenames of some of AMD's upcoming GPUs were leaked in the changelog of the latest HWiNFO32 release.

A new update to HWiNFO32 free system information tool shows the codenames of AMD's next GPUs (part of the Southern Islands).

Changes in HWiNFO32 v3.73 - Released on: Apr-18-2011:

• Added possibility to change font size for LG LCD output.
• Enhanced sensor monitoring on ASUS Sabertooth P67.
• Added AMD Llano family branding.
• Enhanced support of Panther Point chipset.
• Added support of ITE IT8771 LPC/hardware monitor.
• Enhanced sensor monitoring on ASUS E35M1-M and E35M1-I.
• Updated reporting of current memory clock on Arrandale/Clarkdale and Sandy Bridge.
• Added AMD RADEON HD 6790.
• Added support of AMD future GPUs: TAHITI, NEW ZEALAND, THAMES, LOMBOK.
• Layout/font change.
• Added reporting of GPU Clocks in Sensors.
• Fixed sensor logging CSV format.
• Fixed Apple SMC sensor values.
• Added monitoring support of uPI UP6218 and UP6266 VRs on GPU.
• Added monitoring support of CHiL CHL8214 on GPU.
• Fixed reporting of current GPU PCIe config on some machines.
• Added monitoring support of Volterra VT1556 on GPU.
• Added nVidia GeForce GT 520 (GF119).

So according to HWiNFO32 v3.73's changelog, the (likely 28nm) GPUs in question are named Tahiti, New Zealand, Thames (?) and Lombok. Unfortunately that's about it on the Southern Islands topic.