Brent, you will easily get into the 40s, possibly below even, depending on how many extra condensers there are. Griff's gear and service/tech support is top dog. I had never heard of his shop when I began building my a/c, piecemeal style, but am very familiar with him now. Getting one of his kits is definitely the way to go if one can afford it, and doesn't want to mix and match parts - also an excellent choice for a novice a/c guy since his tech support sets the bar.
Agreed on the "930 guys" part of your post - plenty of the similar stuff over here. I'm sure that others would say that I start my own knitting circle every time the subject of dilivar studs comes up over here (and the laugh-out-loud subject of "valuation", too, buttofcourse)!
I didn't mean my "you should look at the 911 forum . . ." as a dig on the forum or 911 owners in general (for once
), but know that some/many of the peeps that post over here do not look at that forum.