Dilemma (partially) resolved
Because having completed this:
meant I could do this:
If I play my cards right and sneak my needles through security at Heathrow, there will be much Glynis knitting tomorrow. Yee haw!
PS - I've changed my mind about the second WIP I need to finish up. Yes, the Estes Vest is mostly done, but I really don't want to haul around several pounds of wool on my lap in August in Vermont and/or Maine. So I will be trading off a shawl for a shawl: finishing Veil of Isis in order to start Aestlight. Seems fitting, and Isis is a heck of a lot smaller/less wooly.