Matt, would you like a 56 cm top tube touring frame (only 57 cm seat tube though) just to try out and see what you think before you part with the Mercian? I've got a Univega Sportour sitting around doing nothing you could try if you want.
Then again, perhaps you've already done that (tried a cheap mock-up and found the arrangement comfortable), if you're now at the point of considering letting go of the Mercian!
Last edited by kiwigem; 06-24-12 at 03:03 PM.