These are people I know personally and I can vouch they are the best!
Sarasota Italian Garage If you are in the southeast USA, this is the only place that should be servicing your Ferrari.
Eugenio Ferrari Service in California.
Scuderia Rampante in Colorado.
Buying a Lift - An article I wrote on another site about buying a vehicle lift for your home garage. (Best tool you will ever buy!)
My Amazing road trip to the 2007 Montreal F1 race in a Mondial QV with pics. A fun read! (You will need to log in to see the pictures).
My favorite Ferrari part suppliers are:
Some other great resources:
Specialized parts kits such as ethanol-safe fuel hose kits, CV Joint rebuild kits, etc.
Most of the major upgrades I have done on my 308 have been covered in depth on Ferrarichat.com. Here are direct links to a few plus some that others have undertaken that I think are good reading: (all of these require registration and log in to see the pictures. Registration is free).
Development of an extended shock eye to use QA1 shocks on the 308 without modification to the A-arms
Installing an Electromotive distributorless electronic ignition system.
Installing stainless steel brake lines.
The mod all carb 308 owners should make: The Russ airbox mod. (A long read, but worth it.)
Replacing the coolant hoses in a 308 and Mondial