Some answers...
Black Hawks generally self deploy to East Timor when they change out for major servicings, but they are transportable by C-130 with a similar amount of disassembly to Huey. Mrh90 is also transportable in C-130 with some disassemble, but they haven't done it yet because the C-17 is far easier and quicker.
AIR 9000Phase 5 (CH-47 upgrade) is not looking at MH-47 anything, nor is it going to modify the aircraft to any great degree. The project will by vanilla CH-47F and fit a hoist and crashworthy seats.
There is no LUH project. Many are hoping there may be some future link to the Helicopter Aircrew Training System (HATS) where we might in future procure more of the same type to easily gain a fleet of LUH, but there is no formal project or even approval to do the analysis.
TBM, your navy contact has a point, but the proposal to fix that problem by retrofitting auto blade fold would have added about 25% cost to each airframe, and huge program risk. Composite repair is a problem that will be solved by training and specialist equipment.
As for performance, I don't understand why we should take NHI's figures with a grain of salt - in fact they have been quite conservative compared to the actual aircraft - and then accept a Huey II / Ultra Huey brochure as fact. MRH90 will lift, at 35deg c, OGE at 1500ft, nine 300(+) lb soldiers in crashworthy seats off an amphib ship, with ballistic protection, door guns and ammo, loaded EWSP, Floats, FLIR, weather radar and four crew to fly a 90nm radius mission and hold for 30 minutes before getting back on the ship. Huey II won't, and unfortunately for upgraded Huey, that is the Capability requirement.
More C-17 is a tops idea though. Let's drop 10 JSF and a submarine and get two more.