To be blunt the 2.0 B207 SC feels "less" than a same spec z22se SC and the 2.4 feels "more"
Can I add my 2p and caveat that a little (as effectively I've tried all these combo's in the same car with virtually the same parts over the last 3 years).
Broadly agree, although the difference in performance is primarily in available torque in the sub 2-2.5k rpm range. Below this, the larger capacity (and higher comp) engines feel meatier, which makes sense, but as the SC starts to get into its stride, the difference really feel negligible, certainly on the road.
Again, its a bit of a sliding scale on response, 2.0 feeling more responsive, 2.4 feeling lazier and a touch slower to rev towards the red-line (certainly not too bad though). Again makes sense as the crank weights go up as does the stroke!
I'll throw in my 2p for torque
2.2 SC with stock head and cams, could pretty pull away even at low revs, pretty much an automatic. But didn't like to rev up high all that much. (well in comparison to below)
2.2 SC with Stg 2 cams, it shifts the torque range up enough you can be caught out and can bog down. But once it's above about 3.5k it's like sh*t off a stick 
personal opinion, and I'm the sort of person who doesn't like revving the tits of their engine (ie don't like vtech motors)
