Only 45 days to go until the opening ceremonies for the 2008 Summer Olympics...and there is still a lot to be determined. Olympic Trials are still underway; athletes still to be chosen; and several Olympic torches still to travel through cities across the globe. Share your thoughts on what's going on in the competitions.

• Were you surprised by any roster decisions for the teams?

• Who is competing?

• Who are you looking forward to seeing compete?

• How did they do?

• Who will make the biggest impact? (positive or negative)

• Who do you think will win competitions?

• Who gave surprising performances? (both good and bad)

• Which country will take home the most medals?

• What athletes do you think will take the gold medals?

• How is the air quality affecting the athletes?

• Will China be able to pull off the Games without incident?

• Start conversations on what's new in Beijing...

This year's Olympics will feature 41 competitions including: Athletics, Rowing, Badminton, Baseball, Basketball, Boxing, Canoe/Kayak, Cycling, BMX, Equestrian, Fencing, Football (aka soccer), Gymnastics, Weightlifting, Handball, Hockey, Judo, Wrestling, Freestyle Swimming, Synchronized Swimming, Diving, Water-polo, Modern Pentathlon, Softball, Taekwondo, Tennis, Table Tennis, Shooting, Archery, Triathlon, Sailing, and Volleyball. We'd love to hear if you have any particular expertise or interest in these sports.

Opening Ceremonies: August 8. Schedule of Olympic competitions: http://en.beijing2008.cn/cptvenues/schedule/

So let's get the conversation rolling on the world's greatest sporting event.