Nikon or Canon (dslr)?

I'm looking to upgrade from my point and shoot, which i find frustrating because of the lack of customizability (can't manually focus, doesn't work well in low light, overall quality not as good as dslr).
I don't really want an entry level camera because I plan on having my dslr for a long long time. (10 years or so). I think i'm a decent photographer (and i was told i was good by my photo teacher), even with my point and shoot, so i'm hoping to expand my skills with a dslr.
Should I get a nikon or a canon? What models should i look at? From the research I have done, i think i heard the nikon D7000 is good, and the canon EOS is good too (not sure which one exactly though haha).
I think i'm going to take 500 bucks from my parents, as a birthday/college/late christmas gift, and then get a job to make the remainder up. Of course I would like a cheaper camera, but i'm willing to work for a better quality one. I guess it would be good if its not too much greater than 1000 dollars, because I want it before july.
Added (1). Jereon: Of course I will have to upgrade lenses and some stuff, but the point is that I don't want to get bored of all the features (and want even more customizability) after a year or so.

I would go with the nikon I love my schools D40X but the D7000 or D90 would be great if you have the money to throw at it

You're kidding yourself if you think you can make a DSLR last a decade

The fine D7000 is just out of your budget, but may be worth saving to get.
There's a new D5100 that will be available sometime in the middle of this month. This new camera may have all you will need for many years
Here is a link to those two cameras