<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by Darren:
It's 350%, Exmo.
100% miles
50% class bonus
100% elite bonus
100% Upgrade conversion</font>
If a recent post in the AA forum is correct:
http://www.flyertalk.com/forum/Forum71/HTML/011548.html
(so far it's been confirmed but not disputed) make that 20 percent upgrade conversion, not 100 percent, for a total of 270%.
Darn.