I regularly see disgruntled customers of Tunebite in their forum. Luckily the company works to fix the bugs and to support new versions of media players.

And I always suggest to try software before buying. All software at all-streaming-media.com is free or free to try.

When using screen video capture program I usually record using lossless video codec or some fast video codec with low level of compression. And I don't launch any application that can slow down my recording. After that I usually convert recorded videos to MPEG-4 AVC using 2-pass encoding.