Which bundle is best for my needs?

I'm interested in purchasing a Nikon D3100. I just need to know which lens would be best for my needs.
I will be shooting alot of sports (baseball, football, and soccer mostly) as well as auditorium/gymnasium events like plays, graduation, etc. I need a lens with some length, I'm just having a hard time deciding what's best for me. Any ideas?

Also, does anyone have ideas on the most cost conscience way to purchase this camera and lens? I have no choice but to purchase a camera so I want to spend the cash wisely.

I would suggest buying the camera kit with 2 zoom lenses (18-55mm f/3.5-5.6 VR & 55-200 f/4-5.6G IF-ED AF-S DX VR Nikkor Zoom Lenses) -- primarily because (1) the kit lenses aren't that bad; (2) the focus distance is covering all that you need; (3) they are bargains when bought on sale and in a kit. In time, when (and if) these lenses begin limiting you in any way, you can start looking at other, more expensive and better lenses (there are many!). Before you buy, go to:

http://fatwallet.com

and look for Nikon D3100 kits in Hot Deals. Right now it has reference to Cameta camera deal for $529.95 (body only). If buying online, always check the store at bbb site:

http://bbb.org

and here:

http://resellerratings.com