Glad you liked it, Witchhippie! There's absolutely nothing wrong with using a three-ring binder for your BOS, and there's no reason not to have an attractive one.
I've gone ahead and organized a little swap for Litha: https://www.craftster.org/forum/index.php?topic=409826.msg4838136#msg4838136
It's an envelope chain swap, as Hawkeye's Girl suggested, with a short sign-up period and an even shorter send time. But you can start creating something to go in your envelope now and have it ready to send as soon as you know who your partner is.
It's easy, cheap and fun, so everyone can participate!