I just returned from 2 weeks in Botswana and had purchased an ASUS 1215n Netbook for my trip. It came with 2Mg of memory and a 250 Gb hard drive. I upgraded the memory to 4Mg and bought a CD/DVD accessory (uses 2 USB ports) to use before I left to load software and other things on it. It comes with WiFi, so I didn't need any other Internet connection. It worked very well, I downloaded my images after each days shoot (took a card reader with me) and was able to review them using Canon's Zoombrowser (I loaded all the Canon processing software on it, but only used Zoombrowser). I didn't do any further processing, as I decided to wait until I got home to do that. I did backup the images to a 32 Mg thumbdrive as well - never have enough backup when travelling.
I will try loading Lightroom onto the computer and see if I can do any editing, but the screen is so small (12.1 inch) that I don't think it was feasible to do any editing on it, although it gave a good image when I was reviewing the daily shots. It is very light (3.2 lbs/1.45 kg) and I found it very easy to use. Battery life was about 6 hours and then it shuts itself off to save enough power to keep things flowing - recharge takes about an hour or so in my experience. With the appropriate adapter, the charger functioned well in the 240v/50 Cycle electrical environment in South Africa, Botswana, and Zimbabwe. The detailed specs can be found here: http://www.pcworld.com …eee_pc_1215n.html?p=specs
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I like it because it runs Windows 7 Home Premium rather than Win 7 Starter which makes it closer to a laptop than a Netbook, because all the other Netbooks that I looked had had a 10" or less screen and ran Win 7 Starter. This one also fit very nicely in the "PC" slot in the back of my camera bag which meant I could put it in my carry-on luggage.
Granted, it is not a laptop per se, but it was the next best thing and it has become a permanent part of my travelling "photo equipment".
One other thing worthy of menion in my opinion...when I bought the Netbook, I asked the sales guy about MS Office and he suggested I look at Open Office, a free replacement for MS Office. I checked it out and loaded up and it worked very well. If you are already using MS Office, the transition is viturally painless - I will never buy another version of Office again! You can find the introductory page here: http://www.openoffice.org/
. HTH a bit.
Cheers,
WesternGuy