Most of what you described sounds like software problems which won't be fixed by swapping boxes. The Hopper software is getting better with every new version and the recording bugs you mentioned should be gone in the next version. The Hopper is so incredibly complex with so many features and variables that it's amazing the software works as good as it does.
If you want to see some bugs go ahead and get a Genie from DirecTV. My wife uses one and two weeks ago it just decided it was going to delete half of her DVR timers. She was not happy. If it was a Hopper she could have restored the timers from a remote but DirecTV has no such feature. I could go on with several paragraphs about how the Hopper is better than the Genie so be careful when thinking the DirecTV grass is greener.