Hi. That looks like a 17" 95-96 frame, not sure which though.
You may be able to refurbish the forks, it depends on how fer gone they are. Alternatively a nice set of Pace RC31s or RC35s would look very nice and are regularly available on here or eblag.
As for the rust, if it's just staining then you may be able to clean it off with brasso or equivalent. If it's gone further than that, I'd recommend either cleaning it off and touching it up as best you can the stop it spreading, or stripping all the old lacquer off and sanding the whole thing down and powder coating.
Obviously if you can get away with the first option, all the better.
Modern: Cotic Solaris | Cotic Escapade
Retro: 1988 MF Explorer | 1991 DB Apex | 1992 DB Response | 1994 GT Zaskar LE
WANTED: RS Mag 21 with 1/18" unthreaded steerer | USE Stealth forks or spare parts