Does it fit you, what condition are the gears (crank, cassette, chain, F & R derailluers) in? does the fork work? low end Judy's wern't that good BITD, can you live without discs, as that frame doesn't have any mounts for them.

If you were looking to buy to upgrade, why not just get a new bike with everything on it in the first place, it will be cheaper in than buying indvidual parts, you will also have a warranty on a new bike, which you won't on this.