We only have one experience with this, but more people did not equal more play time. We went in search of the "play parties" both Fri and Sat nights and didn't really find much. We went to the public room and everyone pretty much kept to themselves. YMMV.
If you like to just plain party (drink, dance, play mixer-type games, socialize) then you'll likely have a blast. The advice about getting a room away from the party is a good one if you plan to retire by 1 am or earlier, There may be rooms (like in our case) where people were up till after 3 am. Wouldn't have been so bad if it was more than just loud talking.
If you're going there to play then you may or may not be disappointed. We have been to LS parties where we got to play more in 3 hours then we did all weekend at the hotel takeover we went to. Also, we didn't find out until after we signed up that there was a "membership fee" on top of the price of the tickets and the hotel. All in all it was a $500 weekend.
A lot of how you feel about this may depend on the LS options in your area. We have many close by, so it just felt like the hotel takeover was not worth the time and money, at least to us. If not for having gone with friends the Mrs wouldn't have played at all.
It was great to go to at least one and check it out and we may give it another go at some point, but based on our first experience we're in no hurry to do again.
While I'm a big fan of getting out there and meeting people, it doesn't help much if they wind up living 4-5 hours away, which is also what happene in our case. Again, YMMV.