I finally got a chance to install it today and am running through some tests. It looks to be slightly better the Phanteks PH-TC90LS, with fan speed also the same. Thermal Performance is on par with the PH-TC12LS but that cooler has a larger and slower fan. The IS-40 v3 is still the king of the low profile coolers I have tested so far. The Scythe also has a high pitched humming noise, which is less pleasant than the 92mm fans I have seen so far.
edit: I'll do a full review later, but for those interested:
Scythe JITTE
Dual fan (max speed / 3096 rpm)
4.0ghz - 37C above ambient
3.0ghz - 28C above ambient
Single fan (max speed / 3260 rpm)
4.0ghz - 42C above ambient
3.0ghz - 30C above ambient
Dual fan (BIOS fan settings on silent)
4.0ghz - 45C above ambient @ 1849 rpm
Single fan (BIOS fan settings on silent)
4.0ghz - 48C above ambient @ 2129 rpm
For comparison:
Cryorig C7
Stock fan (max speed / 2566 rpm)
4.0ghz - 41C above ambient
4.0ghz - 28C above ambient
Stock fan (Bios fan settings on silent)
4.0ghz - 48C above ambient @ 1323 rpm