I recommend the Eee PC Seashell for how fast it runs.
You won't be able to run Windows on that laptop. I doubt Microsoft Office will run. You may have to stick with something light like a combo of Google-docs and a Linux OS.
http://www.lightinthebox.com/Mini-Netbook-Laptop-7-TFT-VIA-VT8500-400M-Hz-128MB-2G-Windows-CE-SMQ4012-_p80219.htmlShot in the dark, but how 'bout that one?
The ASUS Eee PC series is quite affordable.http://www.asus.com/ProductGroup1.aspx?PG_ID=7dDelmkESu9DXgVBThey have small desktops and laptops.
Hard Drive Capacity 2G