@Folder Fanatic, you can change the handlepost/bar to accomodate the riding position:
http://www.velowerk.ch/images/2010_5POSTS.jpg
http://img04.taobaocdn.com/imgextra/...!118407149.jpg
However I prefer the 45° body position. Presto Light ist still one of the best frames to customize:
http://www.flickr.com/photos/tkmamichael/4292698912/

Chinese Dahon has a follower, I think it is called Archer:
http://files.okbike.cn/forum/201104/...8xp2fw2yh5.jpg

Althou I like the Brompton (with S-type handlepost), at the price of a used Brompton you get a tricked out Dahon 16" wheeler - from China.