It is an awesome card tbh. Set it up yourself and do not let the tech touch anything. Just go through the motions after the card is installed and going through WMC there will be a screen with all the info needed.
Prior to running WMC just make sure you are green in the Ceton diag program.
After you get it up and running and it has pulled the listing down, be sure to configure WMC to remove the channels not subscribed to (and in my case all SD channels). That way the only listed channels are ones you can watch and they are HD.
Also look up MyChannelLogos2, pay 2 bucks or w/e it is and experience what normal cable subscibers could only dream of which is;
A fast UI
4 Tuners
Brilliant interface
Easily identifiable channel logos
I would also look into the XMBC addon for WMC if you want to seemlessly switch back and forth between them.