Cleaning 360 Cooling Fans

[skyshadow5]

Help Please.
Whilst playing my 360 today it sounded like the fans were working very hard at keeping the machine cool. It has an unobstructed area all around and is on a hard surface but, when I opened it up (removed the plastic outer of the machine, didn't take the metal inner apart), I removed a fair amount of dust. What I cannot get to though, is the cooling fans themselves. I might be able to just about shove a cotton bud in and a screwdriver to turn the blades but there has to be a better way. Would "air in a can" be the best option or any other ideas? I stopped using it because I didn't want it to overheat especially as it was such a hot day as well, if I can't effectively clean the fan blades of the dust deposits the box may well overheat and be busted.
As I said, Help Please

[Acksaw]

I occasionally clean mine with a vacuum cleaner with the 'corner nozzle' attachment to get maximum suction, this seems to help. Air in a can would also be fine, I've used those on PC's without any detrimental effects.

[skyshadow5]

thanks Acksaw, I'll give the vacuum cleaner a go and get some air in a can next week.