It's a good all round bike, but more road than dirt was in their mind during the design.

Keep in mind that most (90%) of 'failure' issues were related to the older models (forks, stalling - surging, etc) and the newer models have only a few left. Mostly quick wear on steering head bearings and water pump seals which varies and are easy to repair (if you plan for them). I've got 2 07 Dakar's which have the original motor (yours has more powerful Xc Chinese assembled motor) and one has had both of those wear out at 18000 km and the other nothing.

Lucky for all new owners this would be the most documented bike on the planet. Check out f650.com and trawl through the FAQ (faq.f650.com). If it's not in there try the forum. There are also workshop manuals and parts fiches to download along with a maintenance DVD which goes as far as splitting the motor completely apart (on the classic model but is basically the same).
There is also all the info to modify the little design "mistakes" to keep the thing running forever. I've got a lot of them on my blog.

I would try and convert it to a Dakar over time. Requires a 21 inch front rim (stock is average anyway), different shock (I went with Wilbers) front rim and longer Dakar forks and associated brake hoses. At the moment a few guys (including myself) have changed to YZ250 front end, so there should be some for sale.

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