I think they should extend the show personally. Maybe even sell Hall H as a separate piece. I'd be fine to have a Tuesday- Friday package if they could get the retailers to show up a day early. Or, instead of preview night, do a Wed- Friday package, Sat with Hall H and Sat without Hall H, 4day with Hall H, and 4day without Hall H. Extend on one front, and diversify package options on the other. Could relieve a bit of the bottle neck. This will be my 8th year, but it seems to me like the movie and TV studio draw has exploded interest in the show, yet Comicon has been slow to adjust to the rising demand except rely on an event company who at first was untested in handling 100k + ticket demand and after 3 years, still has not found a reliable solution to the problem. This is probably a very unique event where this type of demand occurs, but the Epic folks, lower cost they may be, don't seem to get that this is a customer service issue as well.
Not sure how many of you go to the Sunday wrap up panel, but it's very informative. If I go to that panel this year, I'm going to ask about these options above.