Quote: Originally Posted by
VeeDubBORA 
Going to put a CARPC in my 2003 VW Bora (Jetta). Just curious are there any wiring issues or electrical I should worry about in the instance of no longer using the harness from my car to my Monsoon head unit anymore? Also what do you recommend for a sound card for the best sound quality under 100$. Thanks!
Here is a thread talking about setting up a aftermarket deck in an '02. From what I could tell you can continue to use the monsoon Amp to power the speakers.
As for sound:
Sound Blaster Audigy 2 NX USB 24Bit External Sound Card