OF COURSE 360 BPE is the most epensive set of dies in the mix:

from http://www.ch4d.com/

search for 360 shows:

360 #5 Rook $ 78.25
360 2 7/16 $ 78.25
360 Black Powder Exp $ 156.60
360 Imperial Mag $ 109.57
360 Nitro Express #2 $ 109.57
360 Nitro Express 2.25 in. $ 78.25
360 Str. 2 7/16 2.437 $ 78.25
360 Wesley Richards No. 3 $ 109.57
400 - 360 Purdey $ 109.57
8 x 57 (.360) $ 78.25
9.3 x 72 (.360) $ 78.25

Now I have to check cartridges of the world and see how much difefrence there is between 360 BPE and say 360 Nitro Express 2.25 in.....

I am out of my depth on this so I appreciate your contunued input.
Mike