Like Paul Coleman, I did my round conversion in sections. I took a year to convert it all.
It went like this:-
April 2005 - all my commercial and three storey domestic work.
July 2005 - half of the rest of my domestic work (high houses with awkward windows)
Sept 2005 - the rest of my domestic except:-
May 2006 - my one terraced 70's estate
All with a trolley then a reel from an estate car.
In Nov 2006 I went for a van.
Hindsight tells me I should have gone straight for a van and had a days training with one of the old hands on here. I should've accelerated the change over too, but I wanted to prove that I wouldn't lose a single custy by changing over to wfp. (I lost five in the end - 3 because I judged it impossible to do wfp and 2 because I didn't explain it well enough)
I was like you dazmond - taking the plunge slowly - when the sea hit my dangly bits I'd hesitate instead of diving straight in!
But you'll get there in the end.