The more things change, the more they stay the same, and though Canon's PowerShot superzoom line has gone from SX20 up to SX30, the new model has received a review that's strikingly similar to that applied to last year's model. On the SX20 they liked the focal range but hated the noisy image quality, and such is the case on the SX30 IS. This year it has a whopping 35x focal range, going from 24mm all the way up to 840mm and adding "very ef