Don't worry, wintrampoline!
All the people in this forum are extremely friendly, and sometimes even a Nikonian posts on the Canon forum and vice versa
As to your question: there is no Nikon 17-135, but a AF-S DX 18-135mm 3.5-5.6G IF-ED (which b.t.w. is also sold as a kit lens with the D80 for around 950 Euro excl. VAT). That's also ok, because for you action shots you need more the shorter length to get a dramatic perspective.
You can find a review of this lens at
http://www.slrgear.com/reviews/showprod ... 993/cat/13
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Thomas (beware: Nikon-fanboy and moderator!)
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