I took the plunge and replaced the Linpus Linux OS that came with the Aser Aspire One with the lastest Ubuntu Netbook Remix (UNR) release, and so far I'm very impressed. I have to say the that UNR 9.04 is an excellent replacement OS. The Ubuntu documentation provides a good starting point for installation details. https://help.ubuntu.com/community/AspireOne Before I started with the installation I backed up the Linus Linux OS using partimage running from a bootable USB drive with SystemRescueCD, saving the disk partition image to a second USB drive. Once the Linpus OS was backed up I created a Ubuntu UNR bootable USB and ran the installation. Out of the box Ubuntu 9.04 runs great on the AA1. The Ubuntu documenation lists some tweeks to get the wifi LED working. Even after applying the patch I found that the LED blinks on and off randomly, rather than staying on to indicate the wifi is on. As I have the AA1 with the 8GB SSD I used the following tweeks to optimize Ubuntu for SSD perf...
A log of my tinkering the various cloud and development tools I try out from time to time, and other software and internet related musing.