Tesla's on a roll, it seems. Two days after its successful public stock offering, the company has released details of the latest updates to its Roadster electric sports car--known as "Roadster 2.5" after software-release numbering.

The 2.5 version sports some new styling at front and rear, including a new front fascia (the grille-and-bumper area) that incorporates diffusing vents. There's also a different rear air diffuser that reflects, says the company, "the future of Tesla design."

The changes come, Tesla says, as the result of its "close feedback loop" with its customers. "These improvements are a direct result of customer feedback," says CEO Elon Musk. In other words, they're fixing things that buyers have probably complained about.

Other updates include new "directional" forged wheels, offered in black or silver;

Inside, the most significant alteration is undoubtedly more comfortable seats, which have larger bolsters and now include a lumbar support system. Interior noise has been reduced in several ways, including new sound-suppressing front fender liners.

There's now an optional backup camera in a 7-inch touchscreen display as well.

Finally, Tesla has further modified the Roadster's power-control system, adding unspecified hardware to permit "spirited driving" (which we presume means maximum electric power) in exceptionally hot climates.

The company is now taking orders for the 2011 Tesla Roadster 2.5, and it will appear shortly in Tesla's network of stores in the U.S. and overseas. "Where feasible," according to Musk, "we will also offer existing customers the ability to purchase the upgrades."

Its two newest Tesla Stores--in Newport Beach, California, and Copehagen, Denmark--will open with evening receptions. Both will have the Roadster 2.5 on display.

Tesla has now sold more than 1,200 Roadsters to buyers in 23 countries. It claims the cars have logged a total of more than 5 million miles. Questions remain, however, over whether the company can remain independent even after its IPO.

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