The units sold by ecost are refurbished -- the sonystyle.com store has the refurbished BDP-S300 for $261 after coupon (AFFB10) with free shipping. A much better deal in my opinion; if you buy a refurb, better to buy directly from the manufacturer.
Here are the HD-A35 and HD-A2 links for manuals: http://www.tacp.toshiba.com/tacpasse...HDA35_OM_E.pdf http://www.tacp.toshiba.com/tacpasse.../HD-A2KU_E.pdf There is no link at the Toshiba site for an HD-A3 (or HD-A3) manual, but these two should be all you need.
I have an HD-A2. Assuming the A1 is similar, try clearing (deleting) all used blocks of persistent memory. My brand new copy of 2001 refused to load (error message reported "not a DVD"). After cleaning out the persistent memory it worked fine.
You do realize, of course, that a 16-foot-wide screen will be 6 feet 9 inches tall at 2.35:1 or 9 feet tall at 16:9 -- you must have some really high ceilings in that basement of yours!
Polarizer degradation is not a given. I have over 4100 hours (all with the original bulb) on my PT-L200U and there is little, if any, sign of polarizer degradation. I did notice watching the Stanley Cup finals some times when the rink ice did not look perfectly white (slightly yellowish around...
Conventional wisdom says your eyes should align approximately one-third of the screen height up from the bottom of the screen. Placing your screen significantly higher or lower can lead to neck strain from looking up or down too much. Check out the following site for lots of good information...
How big and what shape is the "glowing" area? What model PJ and how many hours of use? It could be a dust blob on one of the LCD panels, which is relatively easy to remove if you are comfortable opening the PJ.
My guess is that the spider worked its way down to the crt guns and caused an arc which fried the spider along with some circuitry (or the green gun itself), and the little puff of spider smoke set off the detector.