http://home.connexus.net.au/~freedhp...r_web_page.htm
This link is to a trike very similar ( probally lighter as its aluminium )but a bit closer to home.

http://www.bentmiles.com/trike_review.htm
This is a review I ran across re :the antrotech
From memory a lot of sites commented on the trike being heavy and with the low end gear options slow.

http://www.ihpva.org/pipermail/trike...ne/031887.html
This may be you but otherwise usefull info.