Just got word that the Software Mod For Turning Your Radeon 9500 Non-Pro Into A 9700 guide has been update with the Catalyst 3.4 drivers! If the softmod succeeds your card will behave exactly like a 9700 (8 pipelines, 256bit bus) card.

Catalyst 3.4 - v6.14.10.6343: wxp-w2k-radeon-7-88-030430m-008946c-efg.exe 6.23 MB

Patched ati2mtag.sys 304 KB (9500 -> 9700)

See the FAQ at the bottom of the page for more info on the 9800 driver hack.

Software Mod For Turning Your Radeon 9500 Non-Pro Into A 9700