Just in case you have decided to go for the as new rebuild, have put my x-Mission DX stuff and front wheel on ebay (links under for sale forum).
was definitely a great bike in it's day, made all my mates jealous when I turned up for that first 'new bike' group ride.
Shame I scrapped mine - thought it was beyond repair though as some 'proffessional' bikeshop managed to crack the alloy cast head tube whilst hammering (
) in a new headset cup - Be careful if you are doing it.
I drilled and araldited the crack and it lasted for another 6 years though, but then the bb and headset both went so chucked it - wish i'd kept it now.
Did my first descent of Snowdon on it back in the day before the curfew - those were the days. Bikes and components were tough as old boots back then, not like the replace a week stuff now.