Canon is expected later this month to unveil an updated EOS 5D Mark II at Photokina, with insiders predicting a 21-megapixel sensor and HD movie capturing, like the recently unveiled Nikon D90. CNET reveals that Canon said it would replace a "long overdue model" of SLR, potentially indicating the three year-old 5D. Some think that the D90-style additions would stray too much from Canon's focus on
