i did about 900km this summer on my dahon matrix.
a very strong bike, you do not feel that it is foldable.
i changed the fork to a rigid one because the stock fork was a very cheap one, brakes are tektro auriga comp. the shimanos did a bad performance.
best on that bike: it is a full sized 26" and does not need a bike ticket on train.
right now it is used for alldaycycling and some mtb-touring.