There was a thread recently here about rebuilding switchers. I had two switchers that were in the bottom of a dead cabinet. I had no idea what working order they were in, but I assume since there were 2, that one was dead.
I inspected them for any visible damage, and since neither of the fuses were blown, I decided to write down the value of the caps and order them from Mouser.
Anyway I'm using one of them to power the JAMMA board, and it works great. I say that it couldn't hurt just replacing the caps first and see if it solves your problems. If you can do a cap kit on a monitor, this should be a simple thing. I personally like the idea of rebuilding vs. just buying a new one.