I would like to second this sentiment. That feature has become a vital part of how I navigate code, especially for projects that I am looking at for the first time.
It's the only thing preventing me from using SublimeText 2.
SublimeText's minimap is not as feature rich as metal scroll, but its pretty useful in general as a nav tool. I often find myself wishing Chrome had a scrollable minimap.
It's the only thing preventing me from using SublimeText 2.