One button mouse??? HUH??? What do you do if you're left handed?!?!?!?!?!? ;o)
Now that's an easy question.
Just use this:
The other BIG thing where I remember Apple being behind with the times is in CD-RW. They were the first to push DVD-R standard in their higher machines, but they refused to put in CD-RW until a long time after it was practically standard in every PC.