So because I have a hard time not buying new stuff, I'm lightly considering a set of new wheels for my Tallboy.  Problem is I'm not sure what I have to consider when planning a new wheel.  It came with Easton AR24 wheels which are 24mm internal and I think 27mm external.  I run Maxis Ikon 2.2 tires front and rear and like them.  The stock hubs are SRAM.  I honestly don't know where those wheels/hubs rank against something I could have built up or even a preconfigured set and how much I would need to spend to make an appreciable difference.  I don't think I'd be willing to spend enough to get something like a set of ENVE carbon rims however.  My limit would probably be in the $1000 range give or take.  For those of you in the know, could I make a difference in the bike by spending that?  I don't want to spend it just for the sake of bling, I'd like to be able to tell the difference for the money.  And FWIW, I'm a recreational rider, 165 lbs, and do almost all my riding around Charlotte and the area 2-4 days a week time and weather permitting.

Thanks for the info Jerry.  I can't say that there's anything wrong with the wheels but I do wish the hubs had quicker engagement.  They aren't sloppy, but working the pedals in a rock garden or other technical section makes me want them to engage quicker.  Maybe that's what I should do is put a different set of hubs on what I got already.

I have a stock set of SRAM Roam 30 wheels that came on a Jenson complete bike build. The rear hub came with 26 POE via a two pawl freehub. But the freehub itself was machined to accept two more pawls. SRAM calls it "Double Time", where one pair of pawls is out of sync with the other, so only two of the four pawls are engaged at a time. (I know i9 does something similar with a 60 tooth ring to get 120 POE)

SRAM will not sell the pawls and springs separately, had to purchase a new XD freehub driver body and pull the parts out of it. But my hub now has 52 POE like the Roam 40s and up. ~$65 upgrade, but was worth it in my opinion.

This is what I bought. (not sure if it will work with your hub, depends on exact model)
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The extra POE allowed me to live with the wheels until I can afford to spring for a new wheelset that has more internal width and less weight. For now, my Roam 30s work just fine.

If you mean MTH746. It doesn't appear to be possible for that hub, not a "double time" compatible hub shell. This would be the XD driver body for that hub:

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No way the double time freehub body could be a direct replacement. Diameter of pawl end is way different, not to mention internal bearing and axle interfaces are likely different as well. Sorry for the bad news.

At least now you've figured out what your current wheels lack. Time to spend some coin now. I would also go wider rims if your building.