They're great guns. I had a Winchester 94 .357, though I'd recommend you go with the Marlin.
The new production "rack grade" Winchesters leave much to be desired. The triggers are spring loaded, and thus have this slack in them by design. The open sights aren't great, and the lever lockup isn't that nice either (again, to facilitate use of another annoyingly-designed safety feature, much like the bad trigger).
The Marlins don't seem to have these problems. Their triggers, while they aren't great, don't have a length of pull like a double action revolver in them, and the lever locks up nicely into the receiver.