hello guys some questions about Asus eee 900HA with XP OS
1. If i buy it can i watch dvds? If i plug in a external USB dvd writer?
2. Can I write dvds?
3. Can I watch Dvd Rip movies? which are usually 700 mb to 1.4gb in size encoded by divx, xvid or x264 codec? will it lag? they are .AVI and .MP4 files
4. Can I upgrage to 2 GB Ram?
5. Finally I want to get this spec

Atom N270 1.6ghz, 160 gb HDD, 2GB ram, with no OS installed
how much will it cost? if i get without OS can i get it at RM 1200?