I always find the DIY solutions on the lifehacker web site interesting and this one is great. A lifehacker reader wrote in and described how he built a mobile phone dock with nothing but a classic metal book-end and some non-slip material.
Having built two of these myself and using them daily
I can attest this is brilliant solution to keeping your desk tidy as you charge your phone, mp3 player or whatever!
Check out this brilliant tutorial here...