Join Date: Jan 2001
Location: Newburgh, Ontario, Canada
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I haven't seen the VT540 yet, but I have a/b the LT150 and the LT155 (LCD). The LT155 is supposedly a step up from the VT540. Both units use the NEC Vortec technology, however, the LT150, IMO, is superior - very smooth picture with vibrant, accurate colours, great blacks and very, very good shadow detail when tweaked. Two caveats - (1) If you're sensitive to "rainbow" then you may want to pass or you will definitely want to use this projector with a (2) powerful HTPC (this should eliminate all or nearly all "rainbow" and give you the picture I just described). If you're not sensitive to "rainbow" (I think the vast majority are not sensitive to this) then a good progressive scan DVD player will work well. The LT150 also allows you to click off the "white segment" and this eliminates the "crawlies" which for me really ruins the picture produced by the other presentation XGA DLPs I've seen and even some XGA LCDs!
The LT155 had a very good picture, however, I just couldn't live with the screendoor - the picture seemed a little gritty even when I zoomed out to make the picture smaller. I tried defocusing to eliminate the screendoor and the picture just didn't seem quite right to me. Its contrast and blacks were quite good, but not in the same league as the LT150. The LT155 has a zoom and a longer bulb life and this may be important to you - for me the picture quality is everything. Same company, but very different pictures.
Good luck with your search.