I bought one of these as I needed a new tip for my 50 year of 80W and this came with two tips.
http://www.amazon.com/Weller-SPG80L-Mar ... ering+ironThe narrow one is really handy for getting into tighter places when the parts are pinned to a honeycomb. I have a 25W as well for wiring with only rosin core solder and no acid flux.
I like the idea of this product's base and plug in. You could turn it down the 40W for wiring and turn it up again when you plug in an 80W for heavy brass and piano wire work.