Currently there is no standard, easy way to move your contacts from Outlook to Address Book that comes with every mac. People new to Mac OS X, especially switchers from PCs or people upgrading from OS 9 often ask the question, and there is no proper answer. Mac OS X Hints has a number of tricks to get around this difficulty.

There are 7 methods mentioned:
1. If you have access to a PC, use a windows program called OutPort
2. Do it via Netscape Communicator
3. Use a program called ABFiller, which is very simple a straightforward
4. Converting to vCards if you have Outlook 2003
5. A more complex trick, using terminal to customise things
6. Importing CSV files to Address Book
7. Importing via Thunderbird

Altogether, these tips should allow you to import contacts into address book in just about every situation.

Macintalk design has an article on giving Keynote presentations on other peoples computers. I'm sure many people have the problem of perfecting a presentation, to have it messed up or incompatible with the computer you are giving the presentation on.

The tips mainly involve converting your presentation to a universal format, like PDF or quicktime movie, and it goes into the details of exactly how to do so.

From the article:

Unless you’re holding a presentation from your own machine, you will run into several problems. This first is that the machine you’re presenting from won’t have Keynote installed, or it won’t have the fonts you need. It might even be running Windows.