I have a trouble with powerstrip that when I run it in non-safe mode (ddc?? or some acry) my nec multisync doesn't sync up anymore.
I haven't tried any of my other monitors..  
So... with the right settings... you SHOULD be able to set this up
320x240x15hz right?  I have an arcade monitor with vga adapter ready to plug in (for use with my dreamcast).  I would LOVE to get mame running on it (for driving games... where my dreamcast is plugged in.