Esoteric DV-50 'S' Upgrade

OK, several hours, and movies later....

The component outs are not as sharp as the DVI, colors seem slightley more lively, despite equally setting up each input. To me the slight difference in color was more than offset by the marked increase in sharpness and three dimensionality from the DVI out..

Thanks Kenny for your response. I'll call Teac up and schedule mine to be upgraded and order up a cable. I use the Sony 50" dlp, and it's HD picture quality is supposed to be dramatically better than it's analog quality. It's certainly worth 500 to let my Esoteric shine in the video department as much as it does in the audio department!

OK, what is the difference between the upgraded DVI and the D1/D2 output? Is the D1/D2 output a glorified component video output? Let me know.
With my Hddvr, I have unfortunately gotten used to HD signals, and now DVDs don't look as good. Do you people with the upgrade feel it is closer to HD quality?
I'm sure I would notice the difference, I don't want the classic "diminishing returns" style upgrade, though.

D1/D2/D3/D4 are more like fool-proof component video connections for domestic Japan market.
D1 = standard def.
D2 = D1 + 480p
D3 = D2 + 1080i
D4 = D3 + 720P

Alan Hsu