The epson 5040ub is back on sale (matching last month's one-day sale when I bought, the lowest price it's ever sold for previously). This sale appears to be good through 10/21 and it's at all authorized retailers.
5040ube is $2799 with 200 GC
Some offer store GC of $200, some offer Visa/prepaid $200 GC instead.
Some will have local sales tax while others will not.
Several include a free cheap projector mount.
$200 BBY GC
$200 Crutchfield GC. Possible portal cashback and rewards
$200 Visa Gift card. No tax most states. Free mount