A favourite technique for improving performance on Netbooks like the Eee PC, is tweaking the use of Solid state Drives & making more applications run from RAM instead of writing to the drive.
On the Tombuntu site there are 4 optimization tweaks to speedup your SSD:
Mount volumes using the noatime option.
Setting up a RAMDisk.
Move the cache from Firefox into RAM.
Set the I/O scheduler.
These tips also improve the lifespan of Solid State Disks.
Head over here for the complete instruction on how to enable these tweaks.