Linux Mint
Downloaded the latest version an put onto USB drive courtesy of info at Pendrive.com(?).
Simple installation. Worked first time and it just so classy as well ;-)
Still has no right hand SD card (think this is an Ubuntu thing as LM based on Ubuntu, I think). Doesn't automagically add the LH SD slot to HDD like Linpus but that'll come eventually.
Wifi worked straight away (not the switch though but again this might be an Ubuntu thing).
Also impressed the my Orange Broadband dongle worked straight away.
Running this on an Aspire One 16GB HDD 1GB RAM. An 8GB SD in the LH slot as my downloads location.
I'd previously tried UNR but always liked LinuxMint on a 'fullsize' laptop - thought I'd give it a try here and was pleasantly surprised.
Of course it's not as fast as Linpus but that was just too cheesy for me. I tried the Reg's guide to customising it but cocked that up and had to start from scratch.
Well worth a look if you want a nice clean and classy distro.
IMHO.