Small Dog Electronics is offering several specials in celebration of Macworld Expo in San Francisco this week. They are as follows: Pre-order a Mac mini and get free shipping (Mac mini G4/1.25GHz 256/40/Combo – $499 / Mac mini G4/1.42GHz 256/80/Combo – $599); Pre-order an iPod shuffle and get a free Small Dog Pen — which is larger than the iPod shuffle! — (512MB iPod shuffle – $99 / 1GB iPod shuffle – $149); New 20-inch iMac G5/1.8GHz 256/160/SuperDrive with additional 1GB RAM installed – $2099; Burton AMP Backpack in Black or Camouflage – $189. Note that these are very limited time offers. Editor’s Note: Small Dog Electronics is a MacMinute Sponsor.