I'd guess your chances would be quite good for each. Not everyone plans even 7-months ahead, much less using the 11-month window such that it would fill up all the rooms for your requests. You're not asking for the most difficult such as a Std Studio at BWV for NYE !, or maybe a GV at OKW during a popular time.
Also Saratoga is opening more buildings all the time and I suspect a lot of people will be going there just to try it out. That may leave more room at the other resorts.
OKW has the most rooms and lots of 2-B/R's. Things are just starting to pick up in June (May is slower), but the 1st week is probably still good.
VB might be good also. Many schools have already started by then, and VB has quite a few Inn rooms. Things are slowing down a lot by September, with the summer basically over by then.
Good Luck.