A fast look at 14 sizzling new speed machines.

2011 Porsche Boxster Spyder

Rumors have always swirled that the Porsche Boxster's performance has been intentionally held back, since its inherently more balanced mid-engine design could let it run circles around the rear-engined 911 flagship. Well, someone, somewhere deep inside Porsche must have won an argument, because the 2011 Porsche Boxster Spyder may just be that car. Sure, you give up a useful top and some refinement. You also give up nearly 180 pounds of mass and gain 10 extra horsepower for 0-60 times of about 4.6 seconds for your $60,000. In other words, it'll be showing its shapely new tail to any 911 Carrera it encounters on track day.