I think either would work, but it probably depends on how you like your boats to fit, and how you plan to use this next boat.
I'm 6'0, size 13, 180#, and I paddle a glass Aquanaut much of the time. I've paddled a glass Tempest 165 a few times as well.
I find the Tempest playful, quite snug, and probably close to overloaded when I paddle it with day kit.
The Aquanaut is responsive and easy to edge, even with only a day-load in it, but is a little more of a distance boat for someone my size. It swallows a huge amount of gear, and yet is slim and fast, and reasonably maneuverable. The fit is just right for me (no extra padding) and is a fairly low boat. Don't be fooled by the front deck-height. It's a bit peaked, so it measures deeper than it fits, IMO. And the back deck height and side coaming height is low.
Try both boats, and see what you like. And consider whether you plan to put a weeks worth of gear in one. If that's not in your plans the LV might work. If you plan to do a lot of extended stuff, my guess is the LV is undersized for someone 165#.
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