Isn't it funny that none of us can stand to hear the oil burner fire up. If you are heating water only with your boiler, you probably use about a gallon of oil a day. Not bad for the freedom that gives you. Once the stoker or hand fired is on, you have to pay attention again. It is like a hobby you can't ever hate. The basement is warm and dry..or garage. Whatever temp the morning brings, who cares, the coal is making steady heat all day anyway. Floors are warm, the structure is just peacefully comfortable, no need to shiver ever again.
I didn't realize that you had a 260 hiding away. Hope you have a large area to heat, because they WILL do the job!
I have 3 AA 260's and now an AHS 260 along with the EFMs and I still am amazed that the AA's and AHS only need a 6" stack, 5" on my 130's. The EFM 520 require an 8" stack, the 900's a 10" stack. All the boilers work just terrific, but it seems the AA'a and AHS's use less coal for the same output.
I have to try a Keystoker some time, and I heard that a Harman VF 3000 may be available if I stop harassing it's owner.