The Montague Swiss TX. I purchased one recently for $545.00. Not too pricey in my opinion. IS it heavy?
Yes, but I am in the process of replacing the cheap suspension fork with a rigid fork, the crankset with a Sugino unit, the bars with some CF bars, and replace the tires with some lighter and smoother ones.
Somebody on this forum has gotten the weight down to about 24 pounds, I believe.
The front wheel must be removed to make a complete fold. Not too handy for bus/train travel.