Hello, I just took delivery of a new 2.0 MacBook (upgraded from a PowerBook G4 12"), and I'm starting to notice a strange flickering or shimmering in the screen. It's very mildto the point where some people I've shown it to can't see itbut it makes me think of an old CRT monitor with a slightly low refresh rate. It's just barely noticeable, but my eyes ache a little after using it for any length of time. I've tried using SwitchResX to increase the refresh rate to 75Hz, but that made no difference. It does seem to be intermittent, though: it was bad last night and this afternoon, but seemed better this morning. Has anybody else noticed this effect? Is it normal for this model? Is there anything I can do about it myself, without taking it back to a store? (It's a BTO with a different keyboard, and I'm going to be abroad for the next six weeks, so returning it would be difficultI've already decided to live with the stuck pixel in the corner). Any ideas?