Dropped frames in Capture: Express vs Pro

Hi, I'd been using Express for a year and a half; last week I bought and installed Studio Pro2, partly because of the following experience which surprised both myself and my lab instructor.
I had a Standard Definition miniDV which resulted in many dropped frames while capturing at my house with Express on my iMac. Subsequently, I successfully captured the entire tape without any dropped frames on my university's computer which is a tower (G5? Intel?) running Pro (Pro6? Pro5? Pro4?). Out of curiousity, I tried capturing the same tape from the same camcorder using the same tower, except this time I did it with the tower's Express instead of the tower's Pro (yes, the tower has both applications installed). The problem of dropped frames returned, just as badly as they had been at my home. We are very surprised!
Is there a reason that Pro does a better job of interpretting potentially bad tape than Express does??? I would have assumed the Capture algorithms to be the same, but that no longer seems likely. Does Apple know that there is a difference between the two applications in the success of Capture? Should they be notified, or am I being naive to consider that they don't know the difference?
Thanks; have a great year...
20" iSight PowerPC   Mac OS X (10.4.9)  
20" iSight PowerPC   Mac OS X (10.4.8)  
20" iSight PowerPC   Mac OS X (10.4.8)  
20" iSight PowerPC   Mac OS X (10.4.8)  

I just discovered my ''subscription'' response was off:-(( couldn't figure out why nobody's answered my last 2 posts:-)) I'm not rude enough to ignore people who help me, I'm just stupid!
It cost me; two months ago I purchased Studio2 as a direct result of my ''problems'' with FCE; tonight I read your post and realize the problem was actually 10.4.9 + 3.0.1. Needless to say, I'm now on 10.4.10. Lucky for me, I get Studio2 at academic prices, and I will actually benefit from DVD Pro as I now own an HD camera, and Compressor, but I still feel stooopid.
I have not been able to verify the school's versions of FCE and FCP (lab's closed in August), but it makes perfect sense that their FCE is 3.0.1, whereas their FCP was probably one of the earlier (non-offending) versions.
Thanks, and have a great year,
Harvey

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