Not even worth going if they HAD a public open day, IMO.
If the arranger manufacturers aren't there, what is there to put hands on, anyway?

T3's already out, probably won't be an S900 replacement for a year or so, Roland are unlikely to have anything new (GW-8 is already out), Ketron are a no show, Korg are unlikely to have anything new after the PA2X OS2 is already out. Wersi and MS... who cares?

What's left? A new EXR, or Casio budget arranger..? Yawn.
Attendance at NAMM, both vendor AND dealer, is likely to reflect what few here want to acknowledge... 2009 is likely to be one of the worst years economically since the Great Depression.
Better start to REALLY dig into the manual of what you already have!