"Why do you need disc on a steel frame .
Disc breaks are usefull for freeride or downhill , for Xc no interest"...
wooaaahh! pretty sweeping statement there! I live right on the edge of the brecon beacons (think mountains, 1in4 gradients etc). then think wales 39in of rain a year. 5hr ride in general winter conditions can rip thru a brand new set of V brake pads! Disk brakes rule in these conditions! If anyone wants to come on a ride with me, PM me. I can guarentee you'll be washing your brake blocks off the tyre sidewalls @ the end of the ride & looking worryingly at your rim sidewalls (I've been there!)
I love retro bikes, I appreciate the styling, thought, history & everything else that comes along with older bikes. But bikes have progressed, where-as the bikes of today to me at least generally arent as beautiful, they're generally stronger, lighter, more reliable, faster. An example, my 1990 yeti weighs 30lbs fully rigid, my 03 XC FS bike weighs 25lbs, front & rear disk brakes, 4in of travel & every single component on the bike works better & the overal bikes descends AND climbs faster; what would you expect!
If you ride retro Kudos to you, hats off & all that.... sorry it took a long time to get to the answer! Do I ride retro? Nope!... but if my house was burning I'd be grabbing the 1990 rig over the 03. It may be a bike, but theres totally no shame in having "garage queens"