I have a white 4G 701 with an 8GB SDHC card that I got around Christmas. Xandros that has had a fair bit done to it (Advanced mode, apt pinning of multiple repositories, etc.) on SSD, Ubuntu (standard w/scripts to get most everything going on the EEE) on SDHC. I've upgraded to 1GB of RAM, because it was cheap, and I'd like to get XP running in VMWare Player or QEMU. Strongly considering getting a 16GB card, as they've dropped to the price of 8GB when I bought it already.
When I have to use for more than a few hours, the 7" 800x480 screen gets on my nerves. Even in short brusts it can be hard to deal with multi-megapixel images on the screen(view 1:1, edit, etc.). I've been doing that more lately, as I've been taking a photography course. Even just cropping gets rather interesting on this small screen.
I miss the 1024x600 8.9" display on my Fujistu Lifebook P1120. Since it turns out that the display in the EEE is LVDS, and doesn't just scramble when a larger res. display is added, it should be possible to to retrofit the Lifebook's screen in. It'll have to be after school is over though, as the EEE is too handy to risk right now. Though, the EEE's screen is brighter and has a better viewing angle.
The screen it comes with is plenty serviceable for quick web browsing, and that's what I do most when away from my desktop.
The limited space isn't as big of an issue as I thought it would be. Considering I have over 30GB of recorded video from PMP alone, in addition to multiple GB of downloaded videos(mostly legit stuff like Systm), and that my 1GB card in my PDA always had to have files shuffled around to fit videos, I'm stunned that 8GB is sufficient. I figured I'd feel the need to lug around my 2.5" 60GB external HD a fair bit. I can fit a few videos on the SDHC's home directory, but I don't tend to bring too many along, and most of those were downloaded by the EEE to watch. Near ubiquitous WiFi I guess has supplanted/supplemented my need for video files.
I'm loving the speedy bootup of the default Xandros. Less than 45 seconds from cold boot to browsing the internet. My Nokia 770, which was bought as a toy and for quick nighttime browsing, has been completely surplanted by the EEE. Web browsing was such a pain on the 770, but the instant on and quick connection to WiFi made it a bed side companion before I got the EEE.