Tesla Motors is introducing their new and improved version sports electric car, the 2010 Tesla Roadster 2.5 which coincides with the opening of two new showrooms in Denmark and California.
On the outside the 2010 Tesla Roadster 2.5 features a new front fascia, a new diffuser and new Directional forged wheels, while at the interior the seats are now more comfortable and a new lumbar support system was added plus the level of interior noise was reduced thanks to a new front fender liner material.
For the more aggressive drivers the 2010 Tesla Roadster 2.5 features a new power control hardware for hot climates, and the list of interior changes is completed by the optional 7 inch touchscreen display that is also linked to the back-up camera,   
The 2010 Tesla Roadster 2.5 price was not announced yet. 
Tesla press release :
Palo Alto, CA — Tesla Motors today announced Roadster 2.5, the latest
version of its revolutionary electric sports car. It will debut
simultaneously with the opening of Tesla’s two new stores in Copenhagen,
Denmark, and Newport Beach, California.
The Roadster 2.5 reflects Tesla’s commitment to innovation and the
company’s close feedback loop with its customers. The new Roadster
includes improvements in both design and technology, including a new
front fascia, rear diffuser, improved seat comfort & internal
finishes, sound dampening and a large touch screen navigation system.
"Although development of the Model S is our main focus, this shows that
we still care a great deal about improving the Tesla Roadster," said
Tesla CEO Elon
New features in Roadster 2.5 include:

  • A new look, which includes a new front fascia with diffusing vents,
    and rear diffuser reflecting the future of Tesla design
  • Directional forged wheels available in both silver and black
  • New seats with improved comfort, larger more supportive bolsters and a
    new lumbar support system
  • Power control hardware that enables spirited driving in exceptionally
    hot climates
  • An optional 7" touchscreen display with back-up camera
  • Improved interior sound reduction including new front fender liner
    material make the cabin even quieter

Tesla will unveil the new Roadster at its two newest stores worldwide
in Copenhagen and Newport Beach, CA. Journalists can see the car during
media open houses at both stores throughout the day. Customers,
prospective customers and other guests will celebrate the opening of the
newest stores this evening.
The enhancements in the Roadster 2.5 are the direct result of
accumulated customer feedback. Tesla’s unique, company-owned retail
network allows Tesla’s engineers to receive customer feedback directly
and iterate rapidly. More than 1,200 current owners in at least 23
countries have logged over five million electric miles.
Roadster 2.5 is currently available for order and soon will be
available at Tesla stores worldwide.

Source: Tesla Motors