The job change will be a very good thing if all comes to pass - just means I might miss a few prime time months up on the cape and I had such big plans for this season - long term though, life will be a whole lot better!
In terms of Yak choice, wether your vertically, horizontally, physically, mentally, gravitationally or in almost any other way challenged it doesn't seem to matter
The sage wisdom is "Try before you Buy".
This time of year many paddlesports shops are running demo days where you can try different boats out under supervision and also pick up some great deals. You should be able to track a couple down in your neck of the woods. I just started and its a blast!
See you on the water!