Got the roadie roadworthy this weekend, so I rode that in today, will be getting a cyclocomputer for it at lunch time, but the ride in was smooth and quick feeling - except for the 5 minute roadside wait while huge droves of traffic passed by (I was trying to get over 3 lanes of it to make a left, ended up going further up to take the left).
I was careful and definitely noticed the difference with a solid frame (MTB has front fork suspension) and thin tyres, but felt really good to ride it - especially as I was the one who made it work