If you're anything like me, you'd happily spend a small fortune on video gear. And it's easily done - software alone can set you back a few grand. We probably talk about the latest fad more than we'll actually used it. But how do you justify spending (or as my wife would say, "wasting") money on new gear, particularly when you're just replacing a perfectly good camera. My last "upgrade" was a DSLR. I managed to persuade myself that a DSLR was a logical step, especially ...