Don't ya just hate slow spell checkers. I consider myself fairly intelligent, just ask me, I just can't spell for beans.
I am (at least) intelligent enough to know that I cannot judge my own intelligence (-:
The lab rat doesn't evaluate the experiment's data, etc.
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There are a couple of other threads on similar subjects running right now.
I made an entry in one of them suggesting the selection of a rear mount from a manufacturer that ALSO offers rear-to-front conversion kits for their rear blowers.
a) If the rear blower works out well (enough) for you then you're all set.
b) If your back/neck, etc gets tired (enough) of the twisting around then buy the rear-to-front kit, maybe second, third, or n'th season.
The point is you keep the option open, you may or may not need it.
Secondary point is that you spread out the expen$e$.
...and you can always revert to a rear mount if you decide that the FEL is really needed for stacking and/or hooking up the front mount kit is too much hassle - for you, for your clearing needs, your local snowfall, as you age, for any particular storm, as needs change, whatever all else.
Down side MIGHT be that you don't get a "package" discount deal - so get an agreement with your local dealer on all that before buying the first (rear) part.