Shallow depth of field and interchangeable lenses that don't break the bank are the cornerstones of HD-DSLR's.
True most of the add on equipment for rigs etc are expensive, mainly because they are being produced by old school movie supply companies.
As the DSLR has changed the industry from a cost quality perspective, some of these suppliers are still not getting it. There is a huge demand from budget conscious entry level DSLR shooters.
Here is a company that is producing some very cost effective products:
http://indisystem.com/
My Canon 7D Blog
