Yeah, but not better.
Most of the time not as good.
Most people other than wfp users will tell you that.
You can see for yourself the finish isn't as good,
but...
I'm considering wfp myself, but I'll never say it's as good.
It's just less effort, that's what interests me, because I'm lazy.
It's a lazy man's tool, and at the moment I'm grafting. 
A lazy mans tool?
I'd say it's a smart mans tool.
If you want to dig a trench, do you get out your shovel and pickaxe and graft?
Or get a JCB and do it with that?
Does a farmer still go around fields grafting away stacking small bales by hand? Or cutting fields of corn with a scythe??
Don't make the mistake of thinking that WFP is the lazy mans tool, it isn't, it's merely a more efficient way of getting more work done.
If I was being really pedantic I could claim quite truthfully that WFP leaves the glass cleaner than trad, trad leaves behind a residue that is sticky at the microscopic level, WFP doesn't.
I am not going to though, Rog is for the most part being pedantic in the other direction.
How good a job you do depends on several factors, your experience and skill level, the type of glass, the type of frames and the weather.
You may be able to WORK in conditions that you couldn't with trad (High winds and driving rain for instance) but you will most certainly do a poor job with WFP if you do.
Generally WFP does a far more thorough job than trad, frames and sills can all be washed down at the same time as the glass and you will still be far quicker than a trad guy just doing the glass and sills.
The guy who was doing this job (in the topic) was obviously doing a crap job...he just wasn't any good with WFP.
Some people seem to think there is nothing to it, you just rub a brush over the glass and move on....not so, not by a long way...
Work beckons.....60 mph winds and WFP....oh joy
....sigh
Ian
