Defaul System Font

[userid]

What's the name of the default system font of Mac OS X?

Where on the Internet, may I get the exact same font for Windows?

 

[endian]

it's lucida sans http://www.adobe.com/type/browser/P/P_048.html

 

[aarontrip]

actually its Lucida Grande but i dont know where you can get it