I dropped my htc Desire on the water :-(
Quickly removed the battery and sim, open some of the parts until it looks like this
http://www.formymobile.co.uk/Dismantle/desire5.jpg, Couldn't go further. used a paper tissue and towel to dry it, now its in a bag of rice.
but there is another problem, there is water between the glass and lcd, don't know how to take water out of there!
:-(