In the US, Asus sells mutliple variations of the 1005HA.  They vary based on operating system, battery size, processor, and the presence of bluetooth.

Asus Eee 1005HA

ASUS Eee PC 1005HA-EU1X – Atom N270 1.6 GHz, 1GB RAM, 160  GB HD, 802.11 b/g/n, 1024×600, 3 cell 4hr, webcam, Windows XP Home
ASUS Eee PC 1005HA-VU1X – Atom N270 1.6 GHz, 1GB RAM, 160 GB HD, 802.11 b/g/n, 1024×600, 6 cell battery, webcam, Windows XP Home
ASUS Eee PC 1005HA-MU17 – Atom N270 1.6 GHz, 1GB RAM, 250 GB HD, 802.11 b/g/n, 1024×600, 6 cell battery, webcam, Windows 7 Starter
ASUS Eee PC 1005HA-PU1X – Atom N280 1.66 GHz, 1GB RAM, 160 GB HD, 802.11 b/g/n, 1024×600, 6 cell battery, webcam, Windows XP Home
ASUS Eee PC 1005HA-PU17 – Atom N280 1.66 GHz, 1GB RAM, 250 GB HD, 802.11 b/g/n, 1024×600, 6 cell battery, webcam, bluetooth Windows 7 Starter

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