Analysis of DV vs. Component Beta-SP on 10-bit timeline

Alright, this may not be the most scentific experiment, but last week I started using a Blackmagic decklink extreme PCIe card with a new G5 dual 2G and FCP5. Importing Beta-SP. Had been accustomed to bumping Beta-SP to DV and working completely within DV 8-bit for finishing. The 10-bit functionality is truly exciting.
Anyway, as a test, I dubbed a length of Beta tape to DV via S-video. Then imported it to FCP va DV codec. Then dig'd the same piece of tape to Decklink as a Beta-SP component signal, 8-bit blackmagic codec. Considered 10-bit capture test, but from everything I've read, Beta-SP maxes out at 8-bit.
Put both piece of vido on 10-bit timeline and color-corrected both to closely resemble one another. Monitoring on a 13" Panasonic monitor out of Decklink card (composite out).
Judgement: the image (an interview) looks no better from the Beta-SP capture. If anything, DV looks "better". I can't say why. It's very strange. Must have something to do with monitoring in composite "filtration".
Thoughts?

Beta SP>via S video to DV = compression
BetaSP>component out to 8 or 10 bit uncompressed = uncompressed video
I suggest that if you have DV footage you should use a DV sequence setting
If you can load component, use a sequence that matches your compression setting. 8bit load = 8 bit seq...10 bit load = 10 bit seq. If not you will be rendering all the time for no real benefit.
With a 13" monitor it would be hard to tell the difference.
Final notes....Put your s cables away and forget that they even exist.
Load dv footage via firewire..betaSP via component
Purchase a larger broadcast monitor

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