HTCdev just released kernel source codes to eight new devices and their varying regional versions, and source codes for updates. This brings HTC up to compliance with the GPL.
Here's the list:
Desire S (Europe, HTC Asia India, HTC TUR, Bouygues FR, HTC Arabic)
Flyer (HTC WWE Honeycomb update)
Explorer (HTC Asia HK CHT, HTC Asia WWE, HTC Asia...