Sometimes the best way to learn about something is to see what others are saying. Here's some quotes and links to variours reviews of PTVL.
I think Pocket TV Listings is a great program. Download it and give it a try!
HPC.net for PocketPC
I use this application all the time.
Dale Coffing's pocketPCpassion
Overall, an excellent product with good support that shows off the features of your Pocket PC. Highly recommended.
This is a great program that I would certainly recommend to anyone.