Newegg has three separate product listings. For $599.99 you can pick up the Asus N10E-A1 with 1GB of RAM, a 160GB hard drive, Windows XP Home, and integrated graphics. At $699.99 the N10J-A1 offers 2GB of RAM, a 160GB hard drive and an NVIDIA GeForce 9300M graphics card with 256MB of video memory. This model also has a fingerprint reader and runs Windows Vista Business.
The top of the line N10J-A2 has 2GB of RAM, the same discrete graphics card as the N10J, and Windows Vista Business. But priced at $799.99 this machine comes with a roomy 320GB hard drive.
The cheapest model has a 3 cell battery and 802.11b/g wireless support while the N10J-A1 and A2 both come with 6 cell batteries and 802.11b/g/n. The higher end models also include Bluetooth support.
You can read more about the Asus N10 in the Liliputing Product Database.