July 10, 1200Z to July 11, 1200Z Rules: http://www.arrl.org/iaru-hf-world-championship Upload Log(s): http://contest-log-submission.arrl.org/
Not sure what you mean by over the top, there are a lot of serious competitors but casual ops are always welcome to hand out points.
One of my favorite contests. There are many many stations on the bands. In general, if new DX countries are needed, you need to participate in contests.