I put in my order for 165mm cranks before they pulled it and got free shipping! After doing research and comparing it to other cranks, the price was too good to pass up. I was tempted to wait for the Choice savings, but my gut told me to order beforehand and use available coupon. I'm hoping my order goes through.

The only other titanium 24mm axle carbon crankset that comes in 165mm is from Bigrock and that's without a PM. Also I think I'll use my Magene 3 bolt power meter spider (also discontinued) on the Ventus crankset since the screw holes line-up. From the looks of it, I can still use the Xcadey PM on other 3 bolt cranksets.
I spent last weekend testing 165mm cranks on my gravel bike to see if I like it. I normally use 170mm crank arms, but I think 165mm will work best on my aero'ish road bike where I can take advantage of the higher cadence and better aero positioning.
Added: It looks like the LEESE carbon crankset also does a 24mm titanium axle, but with the Easton interface.