Ha ha. That's awesome, I went back to look through the posts to see it.
I do agree that the scales for declination are very nice, but not necessary for price and saving money when putting together a BOB or Rescue Pack as we referred to them while I did search and rescue or Ruck Sack as we referred to them in the Infantry. When it comes to declination if you know what the degree is (which should tell you on the map) then just factor that in to your magnetic heading.
I would also certainly go to Wulf's class, I would never ever consider myself an expert in anything and I have been doing this type of stuff for almost 15 years, but I would certainly go my self if I wasn't sleeping all day after working the night before. People sharing ideas is always a good idea I think because two experts might do things differently and you could always learn from someone.