Yea i've often thought of changing the ones on my phone... soldering small things is not too dificult, you need a really sharp small tip and a big...
http://www.lumex.com/pls/lumex/subproduct_galary?iproduct_id=1000169 why not get some little surface jobbies to go in thier place?
There is a cable which runs from a back plate in a card slot with the arial on it, through the PC to the tv unit in the facia of the case.
About 2 years ago I put the innards of one of those handheld TV's into the front of a PC case for my mate. Mod was excellent, all fitted in...
Could always go wireless and battery op in version 2 :D
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