HP Mini 1000 in the wild
The main differences are a lower price, modest specs (512MB RAM, 8GB flash drive, 9" display) and a case design sporting art by Vivienne Tam. It'll be $400 with Windows or $380 with Linux, and you can upgrade to the 10" display for $50 more.
Pros would be the price and 60GB hard drive option, but the cons aren't insignificant: 1024x600 displays, at both sizes, and still no WWAN option.
HP Mini 1000 hands-on photos, full specifications [Ubergizmo]

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Only $20 off to eliminate Windows .. well, I guess they did have to spend time (and thus money) getting the Linux config set up and everything. But I do still wonder what the cost of that Windows license is to HP.
It's a shame Microsoft uses those stickers instead of a paper license on their OEM software now. It makes transferring the license a lot harder. You could buy the $400 unit and sell the Windows XP on eBay for $50 - $60.
@dculberson: Actually, even if you had an easy way to physically transfer it, you couldn't legally transfer it. Microsoft's OEM licenses have been nontransferable for a very long time.
(Per http://download.microsoft.com/download/4/e/3/4e3eace0-4c6d-4123-9d0c-c80436181742/OSLicQA.doc, sorry, it's a .doc...)
bleh ... 1024x600 = fail.
How is this any better than the Acer Asprire One? It has half the ram and half the storage for 50 bucks less. Right now I'm waiting to see if anything can beat out the Aspire One's specs at a price close to $400 before the beginning of December, because if not, that's what I be getting for X-mas ;).
Mavrc, that is actually unenforceable. I used to have a chat with a Microsoft rep about that every now and then, but there was nothing they could legally do about the end user reselling it. They can stop a distributor or retailer from doing so, by not selling to them any more, but they can't stop an individual from reselling it. The doctrine of First Sale says so.
http://en.wikipedia.org/wiki/First-sale_doctrine
there's even a bit about the fact that Microsoft tried suing a college student who bought and re-sold educational software. They dropped the case after he counter-sued, settling with him on the counter-suit.
Also from the same Wikipedia article:
I'm disappointed in the lack of a whore-red reference.
It spoke for itself.
Seriously, you can practically hear the stiletto heels click when you open this thing.