I'd say 1 and 2 are definitely merch. They're both single-modded and far from the min req./max energy or armor thresholds we see now.
You *might* get a few k for 3, but most of the req 8 tact shield buyers right now want req 8/16ar, which isn't too uncommon or too expensive. Were it mine, I'd merch it, too. Sorry
Cheers & GL!
EDIT - vvv He'd know better than me when it comes to max potential price. I still think it could take some time to find interested buyers.