PC specs for rig where these video clips where taken is:

Intel Core 2 Duo E6600
4 gig of RAM (DDRII)
GF 9800 with 512 mb
Win XP sp 2 (it also runs well on Vista, but 25-30 % slower than on XP)

+ fraps runnin while video capture in 1280x1024

PS: was surprized by muself, cause with fraps settings set to 25 fps - its holds it tru all the time.