[weedahoe]

Agreed, MemMaid is great, I have v1.72 although I think someone has said v2.0 is out.

Also, try these (since you are asking about reg edtis)

Speed up switching between Portrait & Landscape Modes
Navigate to HKEY_LOCAL_MACHINE\SYSTEM\GDI\GLYPHCACHE\
Change limit from 8192 to 16384 I actually used 16384 instead, as it would use less memory

Disable start menu animation
HKEY_LOCAL_MACHINE\SYSTEM\GWE\Menu Change "AniType" to 0

HKLM\System\StorageManager\FATFS
Change the CacheSize key from 0 to 8192
it seems to have sped up my ppc.

Another CACHE tweak
Go to "HKEY_LOCAL_MACHINE\System\StorageManager\Filters\ f sreplxfilt\ReplStoreCacheSize" and change/ensure value is "8192"