Like others have said, if you won't suffer financially, then go for it, you know what you want and getting something different just won't feel right.
I have been going in the opposite direction lately, I have been stockpiling film (my fridge is stuffed with dollar/pound store 35mm Kodak film) and messing around with developing my own film with alternative (cheap) chemistry.
Tamron 90mm SP Di Macro
Tamron Adaptall 2 - 28mm, 28-80mm, 500mm Mirror
Pentax KAF - 18-55mm WR, 28-105mm PowerZoom
Pentax K - 50mm f/2, 50mm f/1.7, 28mm f/2.2