Not particularly pleasant, but I haven't really run into too many snags up to that point yet. There are two bolts under the first two intake runners that are going to be impossible to undo with some of the crazy vacuum contraptions buried underneath. I think I'm going to be leaving most of them out when I put it all back together, once I work out what can be safely deleted. The EGR and air re-circulation systems are going in the bin for sure though. Already have the block-off plates for those, haha.
Diff is a TRD jobbie. 41301-RA010 is the part number. It's a 2-way mechanical unit for F series diffs. It also suits GXE10/SXE10. The only other requirement are slightly different side bearings for them, which appear to be a common bearing within a few different locally delivered Toyotas. I ordered mine through Streeter when the exchange rate was at about 103 yen to the dollar. I think I paid about $750 landed via sea post.