For reasons I don't completely understand, this seems to work. I did "get info" on Safari and selected to run it in 32 Bit mode... now it works...
Yes indeed, as I found a few minutes ago, that is Adobe's recommended fix.
http://kb2.adobe.com/cps/509/cpsid_50983.html
Here is my modified version of Adobe's fix that makes the Safari Icon in the Dock work correctly with PDF files:
Customers can run Safari in 32-bit, which will allow the Adobe Acrobat/Reader plug-in to load and be used.
In order to run Safari in 32-bit mode, follow the instructions below:
1. If Safari is open quit Safari by going to Safari>Quit Safari
1.a Added by Chicbee:
Remove Safari from Dock If you have trouble with this step, let me know, and I will spell it out.
2. Open a new Finder window and navigate to the Applications folder.
3. In the Finder, select Safari.
4. Go to File>Get Info. (A mod by Chicbee:
I just clicked on the little "More info..." button in column view of the finder window)
5. In the "Safari Info" window, open the "General" section.
6. Select the check box "Open in 32-bit mode"
<img src="http://kb2.adobe.com/cps/509/cpsid_50983/images/Safari_32-bit_mode1.png"/>
7. Close the "Safari Info" window.
8. Re-launch Safari.
9. Added by Chicbee:
The version in the Dock now loads in 32 bit mode and PDF files open almost instantly, as they did before Snow Leopard.
Caveat: I tried one test case on one of my favorite websites. It may or may not work on others.
Hope that helps someone.
