New city tables are in the works. For this year's Megabattle, the plan is to make the "main table" be a 6 table long city (incorporating the three already existing city tables + three new ones).
Work is commencing soon.
It looks like there is no chance of it based on the responses in this thread but I strongly urge the group to not land on Friday. Our FNMs have been very large lately and we have needed to extend to the front tables.
Saturdays would be a great day, I think, to get some Warhammer on. Lots of new people tend to wander in that day, which would be great to grow/replenish the community. Also, people might occasionally journey down to Plainville's Thursday night 40k and vice versa if we get different days happening at each location. At the least, it would create the option.