The interchangeable lens camera market grew by one this week, following Fujifilm's confirmation of its new X-Pro1. The 16 megapixel APS-C ILC may be in fact be a mirrorless model, but company reps prefer that you don't use "the M-word," insisting that the shooter stands alone in its own category as a "premium" interchangeable lens camera. And after spending an hour with the oversized, solidly-built ILC and viewing a variety of comparison samples, it's not difficult to confirm that the assessment may not be far off. The entire hands-on experience was in line with that premium claim -