Screwed up and bought last year's model

I screwed up and bought last year's model Wii in the bundle that has Sports and Sports resort. The only difference I see is that it comes with the old remote with the motion plus attachment instead of the remote plus. Is that the only difference? Is that a big enough difference that I should return it unopened and buy the correct one? I would appreciate opinions. Lesson learned: don't try to sneak orders in when the kids aren't looking- it leads to silly mistakes!

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