I have a Zona Zip frame at the moment they are a wee bit heavy but you dont notice it when your on the bike so I think that the Zona is a good option. But then have you looked at the ZHI you could probaly get one of them.
Well i moved to stock a while ago but now am back on the mod but moving from mod to stock is a lot easyer than going from stock to mod. But riding wise i feel its just the same.
It loads the site on firefox but says the file is unavalible so just open IE6 and download it . will edit when watched. EDIT: well the riding was nice but wasnt into the song but a good vid none the less.
It should fit because the bolts at the top of a evo mount are the same bolts that the four bolt mounts use. I also cut up a 4-bolt mount into a 2-bolt on and it worked a charm on my base.