Both kits went together without any real problems especially the king tiger . The jagdtiger was good the only real issue was the 500 or so peices for the tracks but they actually went together easier than I expected. I just glued the whole track together and wrapped it around using the idler to make the final adjustments.
The zimmerit was done with milliput and a lion roar zimmerit roller with tamiya zimm rakes for the real tiny spots