There's no incentive difference either way. As DishDave said, you'll need at least one of the ViP receivers to get the full HD capabilities. How many simultaneous viewing locations do you need, how many need to be HD, and how many recorders do you need? Make your decision accordingly.
The 622 will give you 3 total HD recorders (2 sat. and one OTA) and supply 2 independent outputs, one HD and one SD. (You could feed that one HD output to multiple locations but you would have to view the same program at both.)
One possibility: turn-in or sell all the equipment you have now and get one 622 and two 211s. That would give you 3 HD receivers and one SD receiver (in the 622) so you'd have the same number of independent viewing locations. You can feed the 622's RF output into your whole-house system to watch its recordings (in SD only) at all locations. I'm not sure E* would agree to this all at once on a lease, but if you buy the equipment I believe they would activate it all, YMMV...
