I had a pretty slick Toshiba Libretto L1 from Japan at the time - twice as wide as long, with a 1280x600 display.
Its 600Mhz Transmeta Crusoe CPU was pretty slow, unfortunately. Like a Celeron 333Mhz IIRC.
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Somehow I managed to tolerate running Gentoo on it. Compiling X, OpenOffice, or Firefox were multi-day affairs. One thing that annoyed me was I could never get the graphics card (an ATI Rage 128 with 4 MB RAM, IIRC) working with acceleration under Linux, and that was when compositing window managers were gaining prevalence; I kept trying to get it working in the hope that it would take a bit of the load off of the struggling CPU.
Despite the bad performance, it worked really well for a college student: it was great for taking notes, and the batteries (extended main and optical drive bay) would easily last a full day of classes. It wouldn't run Eclipse very well, but most of my CS assignments were done using a text editor, anyways.