It was an even cheaper repair.
I brought the camera in to work today, so that I could look at the shutter under magnification...I spent my lunch removing tightly wound fine cat hair (thank you Fluffy) from around the pivot point of the shutter with precision tweezers and a scalpel. It now works to 1/8000!
Now you are a camera repair expert
Before I'd try repairing the shutter, I'd purchase the Canon repair manual, assuming you can find one online. I'd also suggest getting JIS type screwdrivers, those screws are not Phillips. A tiny flat blade screwdriver to open the various ribbon cable connectors, tweezers and needle nose pliers.
It likely requires a bit of experience to replace the blades, so you might ruin a camera or two before getting the process down.
Actually, with the repair manual, you can take it apart and re-assemble it pretty quickly. There are step by step instructions and photos, so its doable, but it is also very intricate, and in a camera with built-in flash, you want to make certain that capacitor is discharged, and that wiring is properly dressed when re-assembling it.