I also have the WW w/sear box like Snore said and absolutely love it. I only have the standard grill cover for it but will get the heat blanket for next winter, though the WW made it through this year's horrible MN winter just fine. I definitely want to add the chicken wing trays, and as Snore said I have a lot of aluminum foil for the drip tray. So far, so good *knocksonwood* as I haven't had any issues with parts, pellets, or cooks.
I think the only issue I've had so far have been the times where I let the internal temp get too high before searing, as it doesn't take much on the sear box to shoot the temp up pretty quickly. For any other WW (or pellet grills in general), what temp do you usually pull and sear at, or just pull off the grill in general? For example, my family likes med-rare to medium steak, but it seems like if I pull the steaks off around 125 they shoot right past where I want them to be while they're resting. Also, any tips for getting steaks to achieve that top-to-bottom pink versus just centered around the middle? Even when I get the temp just right, the steaks are rarely pink from top to bottom.