I have the Advantco 10" slicer that Dave mentioned. Was only $300 when I got it.
Your definition in "reasonable" will probably not be the same as everyone else.
Only you can decide what is reasonable for you.
Search for "reasonable meat slicer"
You won't get any hits with "reasonable" in it, but you will get a lot of the product review sites.
I don't know how accurate the reviews are, since Amazon has their hooks into them, but you do get to see what is out their.
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Also if you can find a cheap 6"machinist ruler and a good hollow ground screwdriver and set of allen wrenches.
WOW Dave, here I was thinking I was the only one who knew what hollow ground screwdrivers were.