MSI™ L1350D-1672US Netbook Computer With 10" LCD Screen & Intel® Atom™ N455 Processor, Black
Lenovo IdeaPad S10-3 06472AU Netbook – Atom N455 1.66GHz – 10.1" – Black
ASUS Eee Personal Computer 1001PX-EU2X-BK 10.1" LED Netbook – Atom N450 1.66 GHz – Black
or
eMachines eM350-2074 10.1" LED Netbook – Atom N450 1.66 GHz – Black

Their speeds don’t differ much so they all seem to be equal. Choose the one with better quality and reliability:
http://lifehacker.com/5524704/laptop+reliability-study-highlights-
And that would be Asus.
I have a few that I would recommend and they have great price tags:
ASUS Eee PC Seashell 1001PX-EU2X-BK 10.1-Inch Netbook (Black)
*Intel Atom N450 (1.66 GHz, 512 KB L2 Cache)
*1 GB DDR2 SODIMM memory, Max Capacity 2 GB
*160 GB SATA Hard Drive (5400 RPM)
*10.1-Inch Matte 1024X600 WSVGA LED Display; 802.11 b/g/n; 0.3 MP Webcam
*Up to 4.5 Hours of Battery Life; Windows XP Home Operating System
I vote for ASUS. It’s very nice price and quality mix – http://www.computersstoreonline.com/item/1232596011/B004AP90R0/asus-eee-pc-1001px-eu17-bk-10-1-inch-netbook-black.html
ASUS Eee PC 1001PX-EU2X-BK 10.1" LED Netbook – Atom N450 1.66 GHz – Black