You have to go down this dark alley and knock on the 3rd door on the Left and say "Bert sent me"
(Bert would be excluded since he can't send himself).
They have the secret test copy of 5.1, obtained from the Tyrolian elves at the AC factory. You thought getting the latest Windows 8 preview was hard... ha.
Now if I could only remember where "THEY" said that alley was...
