Notebook: Hp, Asus, Acer Or Msi?

Please help me with choosing which brand should I pick:
1. ASUS Eee PC 1000H 160GB HDD with Windows XP Home
2. Acer Aspire One 10in. Atom N280, 160GB HDD with Windows XP Home
3. HP Mini-Note 2133 160GB HDD (FV346PA) Linux OS
4. MSI Wind U100 xp+ w/ Windows XP Home
IN case you’ll be needing additional info, kindly click on the link below:
1. http://www.villman.com.ph/Product-Detail…
2. http://www.villman.com.ph/Product-Detail…
3. http://www.villman.com.ph/Product-Detail…
4. http://www.villman.com.ph/Product-Detail…
It’s just that I am not that knowledgeable with pc software and hardware… I badly need help… Thanks so much! I’d really appreciate a thorough explanation, if you can, please…….. Thank you again!
God bless.