Besides the Atom, have a 1972 Bronco with a Ford Racing motor, a Porsche 911, a BMX X6, and a Lexus LX570. Garage space is a problem.
In the past, we have been all over the board from a BMW M3 to a Jeep Wrangler. We also threw in an Eagle Talon and a Suzuki Madura just to mix it up.
There's probably a list of about 200 cars I'd like to own in the future and it just keeps growing. The short list right now includes a first gen Dodge Viper, a late 60's Mustang with a swapped fuel injected motor, a Defender, an E63 AMG wagon...