We just ran two Avalanches at NWL Wakesurf Nationals. One Calibrated Team rider commented that the wake behind both boats was the most balance of any competition that he had been in.
See this post, pictures 5 and 6:
http://www.wakeworld.com/MB/Discus/messages/87668/491187.html?1187698951 Both boats that were at Nationals were Avalanches, not Avalanche C4s. The hull is the same as the C4 but I really like the walk through for surfing.
When setting up for goofy we put two 400s on the walk through and a 750 behind the driver. We also have 270 pounds in the bow.
On the regular boat the walk through became a really nice place to store boards.
I've never ridden behind an Enzo or 211. I've read that the reverse rotation prop Enzo has a very good wake on both sides.