Infocus X10 Calibration variations, which is ideal?

[Trogdor2010]

Having recently got a fixed refurbished model of the Infocus X10, and using it for about 100 hours and have been very satisfied with my original calibration set up (with DVE) I have read online that the calibration set up on some X10 users were completely different in brightness, contrast and iris is open. The brightness setting on the X10 as shown in http://www.projectorreviews.com/info...erformance.php and look at the measurements and calibration measurements.

My original calibration mode was used with Digital video essentials HD basics, and the brightness is set at 51 and contrast in 56, revealed good shadow detail and acceptable black level performance, I tried out the suggested (Post) calibration link with another test pattern, and while shadow detail was better, I was not generally satified with the black level performance at all, the contrast does not have the dynamics my original setting had, it did not look more accurate or natural and everything had a duller, two dimensional look to it, I missed the more third dimensional look in comparison. It was worse than I thought, the iris did help, but I was much more satisfied with the orignal settings even with the iris off. I did not use the high power mode, I wanted to preserve the life of the bulb.

My real question is were the user calibration set ups by the reviewers are actually showing the weaknesses of the Darkchip 1 sets, or were they earlier production models that had a design flaw with shadow detail. The suggested calibration mode did not make it look any better or more accurate. I did like the color modes they suggested and it did improve color accuracy slightly, but it was very accurate before (some minor green errors otherwise spot on).