The backcountry tent is one I've used for several years. I'm 6'4" and there is plenty of room in it for me and all my gear. The rain fly looks inadequate but if it's blowing proper orientation of the tent does the trick. Vertical rain is no problem for the fly.
Don't use an inflatable pad anywhere except inside your tent or on top of your ground cover or you will put holes in it. The z-rest is really handy for a soft spot when stopping for lunch or whatever.