I suppose you're right.  It would only cost 8000 gp, which is what?  About 3000 xp?  That would improve my damage output to 1d4+6+1d6 (16) with an 8 min, which isn't so bad.  Except that this would be far less superior than 2d4+10 (18) with a 12 min.  ::taps chin::