as mentioned above, will have to wait for the new mount to arrive before i can install / set it up correctly, but i couldn't resist at least plugging it in in an effort to get a first impression... here's what it looked like out of the box, without touching any settings, the chain is pc > vertex (hd fury) > lumagen pro > projector... so it's a shot of my in-progress ht desktop, icons expanded because of the change is rez...
altho the room looks pitch black, it really isn't, there's a little bit of ambient light and, frankly, the camera doesn't do the colors / image justice, in person it looks like a giant led flat screen, ha ha, razor sharp and vibrant.
the screen is a 145" wide (not diag) 2.39:1, carl's flexi-white, the plan is to paint it a light rejecting gray per mississippiman's alr paint formula, prob is i haven't pulled the trigger yet because i just haven't been bowled over by any light rejection screens i've seen, painted ot alr fabric, they just mess with the whites and colors too much for my taste, altho they certainly do help in ambient light.
anyway this thing is bright and colorful out of the box, haven't paid any attention to the blacks yet (altho i've never been one to hand-wring over "black floors" and the like), i'm pretty excited about dialing it in once the mount arrives and i can center it on the screen, will post shots of vids when i get a chance.
i did play with the manual horizontal and vertical shifts a bit given i've never had a pj that offered these features, both directions work very well and really open up the possibilities in terms of positioning flexibility, altho i have to say i found the dials a bit clunky/plasticy, was expecting more of a precision dial feel i guess, but the feel is far from that, and rather than stop when the max is reached, the dials can still be turned but "skip" giving you the sensation that you've stripped the thread, kinda weird... but, again, they work perfectly well and do what what they're intended to do.
i made note of the physical dimensions of the unit before i purchased it, but wasn't fully prepared for what those measurements would look like in person, it absolutely dwarfs the benq ht1085st it will replace, but it's relatively light, much lighter than the dell s718ql ust that i returned (which was built like a sherman tank), which will make the overhead install much easier.
speaking of the dell, i first thought that the ust nature of the unit would allow for easy / flexible installation, just center it close to the screen and voila, but that wasn't my experience at all, instead i found it to be very tough to position just right, it was a pain, and i also found the large size of it very distracting in front of and close to the screen, above or below (especially above)... of course this can be mitigated by a custom credenza or the like if positioned below the screen... the dell also has a blinding white, then blue, splash screen (that lasts far too long and can't be turned off or adjusted in the settings) when turning on, when switching sources, and when auto switching between hdr/sdr modes, in fact that alone became a deal breaker for me, while the onscreen menu was all but worthless in terms of setting options, i was left with the impression that the unit was definitely a presentation pj trying to be positioned as a ht pj.
i get none of that from the lk953st (even tho benq describes it, and lists it, along with their other lk models, as an "installation pj), it feels like a ht pj, especially when you start to mine through it's familiar onscreen menu options that include ht-type settings, and it does not suffer from any of the horrid splash screen issues that the dell suffers from... also, i've decided that i'm just not ready for a giant box positioned directly in front of my screen a la ust, a preference thing no doubt, much prefer the overhead install for my particular environment.
btw, benq has been great, just got off the phone with one of their tech guys who just returned from installing a few lt953st at the carnegie observatory in pasadena, said everyone loved the pj's, and were blown away by the image brightness / quality in ambient light, told me i was going to love it... asked him about rec 709 coverage and he confirmed 95%, same as the lk952 and lk970, mentioned that the lk990 was a bit lower... he also told me that the lk models were great for ht use and, i quote, "they're jvc and sony killers, everyone in the industry knows it..." ha ha... of course after hearing this i had to mention the avs forum, which he knew quite well, and tell him about the black level debates, and he laughingly admitted that the lk's probably wouldn't match jvc / sony blacks, altho the lk blacks were impressive given the technology, and that a lot more went into producing a great image than black levels, made sense to me.
anyway, will post again once it's installed.