Another thing you may want to consider is a visit to an observing night with your local astronomy club. There are bound to be people there who would let you have a peek through their eyepiece, so that you can get a feel for the different focal lengths, as well as what things like field of view and eye relief really mean.
I still remember 5 years ago at an observing night, looking through a binoviewer with a couple 2" naglers. I've been drooling ever since.
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