Hey Metters, have you checked that the air filter mat isn't blocked up with crap? My 009 started to do the same hard start and no power and then I remembered I hadn't cleaned the filter mat for a while and presto, just like new! Wash it out with petrol then air dry or use compressed air to completely dry it before reinstalling and starting the saw.
Nothing wrong with having different size saws / tools in the arsenal, the more the merrier.
avo