I wanted to pass along a couple of good Mac hints that I read on MacOSXhints.com. 

One has to to with using auto-mounting download folders when you download using a browser and the other tells you how you can determine if an application is universal in Mac OS X 10.4.

Use auto-mounting downloads folders in browsers:
I think we all know that you can change the download location in Safari through its Preferences window. However, if you mount a network volume and then point your download location to a spot on that volume, then that volume will re-mount every time you download an item without interaction (if you saved the username and password into your keychain).

10.4: Quickly determine which active apps are universal:
There are lots of ways to determine if an application is capable of running natively on an Intel machine — but this way is an easy way to check if an application you already have installed is a Universal binary (or an Intel-only program) or not.

Using the Activity Monitor (which is installed in /Applications -> Utilities by default), you can quickly tell which of the active applications are running natively on Intel and which ones are running using Rosetta. Open Activity Monitor and scroll the window over until you can see the Kind column, and you will see it lists either Intel or PowerPC.

You can even click on the Kind header and have it sort the list to make PowerPC or Intel processes come to the top.

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