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Hot corners.

I use Dashboard sparingly, and that's on my keyboard.

I mostly had Spaces as the squeeze buttons with my Mighty Mouse...Spaces is now in the top right, Expose bottom right, works fine for me!
 
I don't have one....yet....but i do use a mouse that doesnt do it with my macbook pro. When i wanna go into exposé i do then 4-finger swipe. If you're working with a desktop, then the best ideas are either using the key for them on the keyboard, or you can use hot corners which can be found in the system preferences menu.
 
I have always used hotcorners, bottom right show all, top right hide all (show desktop).

Don't have the magic mouse, but thats how I do it because the mx revolution is keyed to other things.

Works great, but is sometimes not useful with a dual monitor setup. If you are on the left side, not convenient to go to the right side.
 
Using the function keys for now. Hopefully a software update in the future will allow a swipe gesture for Dashboard and Exposé.
 
Thread on this earlier today using software called MiddleClick. Users have been reporting mixed responses but all in all it seems like a decent short term solution. I'm expecting Apple to issue some extra functions over time. Swipe, scroll and left/right clicking seems to be an awful waste of a touch sensitive device.

Before you say the site says it's for MacBooks etc. comment 72 states;

"I just tested, and this application WORKS with Magic Mouse!
Only downside is that you have to tap with three fingers, and not click, which seems a little getting used to.

Maybe something to look in to.
Anyways thanks a lot for your work!"

LINK: http://clement.beffa.org/labs/projects/middleclick/
 
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