It seems new versions of the HD7750 and HD7770 with 100MHZ clockspeed bumps are being launched:

http://www.pcper.com/news/Graphics-C...ore-free-games

http://www.anandtech.com/show/5881/a...radeon-hd-7750

The new HD7750 SKU does need a PCI-E power connector,although overclocking is improved now.

I wonder if this means the HD7800 series and HD7900 series will also get a boost in stock clockspeeds??