I don't see anything wrong with those setups. Personally, I just like more customization, but it all depends on what you want. They seem to cover a lot of the bases that one needs for a good grow. Just make sure you also get a carbon filter with your ventilation setup. I have heard iffy things about the ones that HTG sells so I recommend buying from elsewhere, although the ones from there may work just fine. I use a Phat filter from plantlightinghydroponics.com. They have one that's even better called Phresh filters. Both of these are great filters.
I do have that same kind of tent from HTG(only the smaller version) and am very pleased with it and with there service in general.