EDIT: I will dig some of the info up on the ramps and such on the 16VE cams
In the meantime, this is a VERY good read! Lots of head and cam info (including info on ramp angles for the VE and why you can use the 16VE cam and not float stock SR20VE valve springs past 8000 RPM)
SR20VE-101-The-good-info