My Mazda 3s in Sunlight Silver Metallic. This is my daily driver so I won't go too nuts with it.
Average MPG so far: 27.93 - not too shabby for an automatic, and the way I drive ;)
With Factory wheels:
New Enkei RPO-2J:
Interior:

Highlights are:
17" Enkei RPO-2J Rims (summer)
16" Factory Rims (winter)
Sport AT Transmission (4 Speed)
ABS with Electronic Brake Force Distribution
Side Curtain Airbags
Mods:
Appearance
Stubby Antenna
Mazda Sunroof Wind Deflector
Decorative Door and Front Panel Trims (Red)
Performance
K&N Airfilter
Yokohama AS430 (225/45/R17)
Goodyear Eagle GT-HR (205/55/R16) for winter on factory 16" Rims
Throttle body Ground Modification
Soundz
Kenwood KFC-C6889ie Speakers in the Doors
Kenwood KFC-ST30 Tweeters (Soon to be mounted)
Updated: 11/06