For $1000 you could get a rolleiflex automat ($300), light meter ($100ish), and have money left over to get a hasselblad or bronica or good folder, or a 4x5 speed/crown graphic.

I highly respect the F5 (I had an F4s and newer DSLRs), but unless you're doing sports, it's probably not necessary today. Perhaps the exception would be if you want perfectly exposed E6 film using the camera's meter. It and the F4s had a very nice matrix metering system built to expose transparency film, which is going the wayside.