Honestly, looking over a lot of responses and seeing "if I can even come" and "a possibility" I'm wondering if now's really the right time to narrow this down.
Like many others, I'm not even 60% sure I'll even be able to make it, regardless of dates. We could really be limiting turnout by making this decision so far in advance. I think deciding a tentative timeframe of one month (Which we already have) would probably serve us better than locking us into a date and having a bunch of stuff suddenly come up for people. I think it's best we wait until peoples' calenders start to flesh themselves out a bit more in terms of givens like (I start school toward the end of August). It's really going to suck if one weekend is picked over another and then half the people who said that was their preferred date have to bow out because they either can't afford it or have something important more important come up.
I think we should flesh out a target period of mid-July to mid-August and call it a day until after New Year's, when peoples' money situations and familial/work commitments start to become clearer. I mean, shit, we're talking dates and we don't even have a real tentative list of who even wants to go. No offense to you guys, but if say someone close to me got engaged, I'd sure as Hell be blowing this off for that and I have to believe that a lot of people feel that way. I'm cool with narrowing it down a little bit for the sake of all the students here, but let's consider the working folks too, commitments crop up and it's exceedingly rare that said commitments pop up damn near a year in advance.
I particularly think it's better to get a list of "I will go hell or high water" "I will go, date dependent" and "I definitely cannot go" folks so we can better judge whether a person's availability is really worth considering. As it stands, I've yet to see anyone who is legitimately committed to this that's given an answer much more specific than "Whenever's cool with me, guys."