need to cut a few brackets, do minor sheet metal cuts?

[grumpyvette]

what you want is a good quality PLAZMA CUTTER but your very unlikely to find even a cheap/used one for anything close to a reasonable price in most guys estimation

http://www.htpweld.com/products/plasma_cutters/200.html

http://store.cyberweld.com/spec375cut.html

on that budget a DIE GRINDER and a diamond cut wheel might be available

http://www.harborfreight.com/cpi/ctaf/d ... mber=95028

http://www.harborfreight.com/cpi/ctaf/d ... mber=47077

http://www.harborfreight.com/cpi/ctaf/d ... mber=93178

you might be surprised what can be done with either tool

and don,t forget the OXY-ACETOLENE TORCH that can in a few applications , do a fine job!