I like the new way champ select, but there should be a time frame on your first choice
I choose Mid and Fill. I immediately get put into a game thinking, cool, they found me a mid game. nope. I am support. Immediately. If after 5 minutes of waiting, I would put into support Id be fine with it that, but not immediately as I begin searching for new games.
5 minutes may be too long but we should be able to decide how long we wait before we get put into our second choice. Immediately is too fast, especially for a Mid First and FIll Second pick.