I love Voom and have had minimal problems. But I would advise you to WAIT until the current software upgrade settles down. Who knows, it might be followed immediately by another upgrade if new big problems come to light. Let it shake down.
Meanwhile, check the Voom programming content at the Voom website. The most valid complaints are from people who just don't dig the content. The box problems and other service and delivery problems will go away eventually. But if you don't like the content, all the PQ in the world and a flawless box won't matter. You can get a good idea of the Voom content at the Voom website, and by reading the Zap2It program listings.
The next hurdle is the install -- you might get a good install or you might not. The installers might show up when they say they will, or they might not. Luck of the draw.
Fortunately, you have discovered THIS FORUM which is an essential part of using and enjoying Voom. There is not much communication directly from Voom. We depend on shared insights, leaks, and hearsay on this forum. From experience you learn who to believe and who to filter out.