Hi, my name is Glenn, and I'm a gearaholic. Now, so are you!

I can't see any real problem using a compression sack for the tent - you might want to use two smaller ones; that way, you can keep a wet fly separated from a (relatively) drier inner tent. One other thing: when you compress anything, you end up with a rock; leaving it uncompressed, and using a slightly-too-large stuff sack, means you can compress it, mold it, and shape it to fill in all the odd-shaped spaces in your pack. I know people who prefer compression sacks, and people who don't like them - and it really doesn't matter which camp you fall into.

One of my hiking buddies just bought an SMD tent (I think it was one of the Skyscape series) and he really likes it after a couple of trips.