If you click on "Games" at the top of the page, you can scroll through the list. It won't show whether it's available/short wait/etc., but it at least shows which games can be added to the Q.
Knock on wood, but so far my experience has been pretty positive. Still not sure why my first shipment didn't include games that were both higher in the Q and available, but that's a minor nit to pick. I got my first shipment in two days (Mon-Wed), then returned one on Thursday and got the next...
Signed up for the free trial. Added a bunch of old games to my Q. Three shipped today, but they weren't the first three listed as "Available" in my Q. Not sure why that is; maybe because I re-ordered it a lot, and it went with the original order?
At any rate, we'll see how quickly they get...
I also picked it up for $10 during the Steam sale. I actually already owned the original, but I figured it was still worth $10 for the expansions.
I had never been able to wrap my mind around it (too used to Age of Empires-type RTS), so I hadn't gotten into it before. I resolved to RTFM and...