Widows may be cut a little deeper as well, allowing for a heavier spine. +10# to +15# is real common, on lots of production bows. I shoot 85# from 56# @ 30", for example. Lots of stuff can effect or mitigate this, string type, bow quiver, one's personal form and style, etc.
Would not expect a longbow to have any more handshock than a recurve, in apple to apple comparison.
Try before you buy, particularly when you are fixin' to part with a cool grand, is probably a really good idea.