Thanks for the info, Calamity. I'll go punch those lines into switchres.conf right away and let ya know how it goes. Sorry for the slight highjack.
[Edit]
Hmm, apparently I get Error process terminated with signal 11.
/home/arcade/switchres.conf: Config Invalid syntax: 'crt_range0 15750-16250,45-80,3.500,4.700,5.800,0.062,0.062,0.740,0,0,160,288,448,488'
/home/arcade/switchres.conf: Config Invalid syntax: 'crt_range1 48363-50000,50-61,0.369,2.092,2.462,0.062,0.124,0.600,0,0,768,800,0,0'
[custom] "a2600" horizontal 176x223@59.923 (0.789) --> 176x224@59.923 (0.789)[/code/ when running something via AdvMenu+.