Olympus announced an upgrade to its E-420 compact DSLR today. The new E-450 builds on its predecessor’s popularity by adding a new processor, improved LCD, increased shooting buffer, and three new Art Filters. The E-450 features a small and portable design and easy to use controls for any skill level, including first time digital camera users. For increased creativity while shooting, the E-450 has three Art Filters: Pop Art, Pin Hole, and Soft Focus. The creative filters were introduced earlier this year on