Samsung Galaxy S vs HTC Desire vs Sony Ericsson Xperia X10

Samsung Galaxy S:

Pros:

Great Hardware(BT v3,SAMOLED,Wifi N)
Great Battery Life
Almost Perfect
720p video recording
Cons:
No flash for camera
Plastic build
looks like just another cheap samsung phone

HTC Desire:

Great Hardware
Sense UI
Almost Perfect
Good support
Solid Build

Cons:
Relatively Poor battery life
Not that great for camera
Relatively old Hardware as compared to Galaxy S(no BT v3 and wifi n)

Sony ericson X10

Pro:
Looks Sexy
8mp camera with flash
Nice UI

Cons:
Android 1.6
not sure about SE after sales service
no HD video recording