Had a T1 Micro, ditched it for an Elcan DR + Docter Red Dot.
I find the Docters to be faster, and quite comfortable considering where they are mounted on the Elcan.
http://www.docterusa.com/_mgxroot/page_10767.html
Price is quite reasonable considering what you get!
I was really quite fond of my T1 though, good little optics.