I own a Limited but I always liked the front end of the SR5/Pro a lot more. Back when I bought it, the Limited had the passenger features I was looking for when the other models didn't. At least more passenger features have been added to the newer Pros.
I have kept my OEM wiper assemblies and just changed inserts when needed. I think they function better than any aftermarket wipers I have ever bought. The inserts I have found cheapest on ebay or buying from a dealer that sells below MSRP.
There definitely was a bit too much overlap for a while between the Land Cruiser and the Sequoia. Not necessarily in capabilities but in vehicle size, seating and cargo space.
It would be nice to see Toyota add more Land Cruiser-esque features to the Sequoia to fill the void.
I would vote to replace the current shocks and wait for the Sequoia, unless you want to keep the 4Runner for another few years to recoup the suspension lift cost.