Seems Apple already have Intel based Mac-mini :

• 1.66GHz Intel Core Duo processor
• 512MB memory (667MHz DDR2 SDRAM)
• 80GB Serial ATA hard drive
• Double-layer SuperDrive (DVD+R DL/DVD±RW/CD-RW)
• Built-in AirPort Extreme and Bluetooth 2.0

Mmmmmmmmm, yammy :)