Mike Rapoport wrote:
: I don't know the differences between brands but I would get one with a "Vac"
: flag.

: Mike
: MU-2

Seconded. I have an RC Allen ADI with a vac flag. I bought it over the
Sigmatek because I liked the colors better (seriously!). 500 hours later
it's still working great.
--
Aaron Coolidge (N9376J)