I looked it up: 19 systems, amongst which six hyperthreaded quad-core i7s (one laptop), Two Phenom X6s, four i5s, four Core2Quads, two Core2Duos and a Xeon E5.
I might as well surrender -but I have planned to go down screaming.
Vaughan's big push forward brought the team up four places this month by the way, FreeDC being the latest victim.