I think you should wait for this:
35mm sensor, A-mount camcorder.
Rumored to be released late 2010, early 2011.
With that big 35mm sensor, and hundreds (possibly thousands if you count third party) of great A-mount lenses available, and well under $10k, it's gonna create a whole new class. Panasonic has also announced a similar one, and I'm sure Canon can't be to far behind. Price point rumored to be around $5K plus another $600-1k+ for a good standard lens. Relatively expensive, but with that big sensor and f1.4 aperture lenses available, it's gonna be a killer in resolution, low light capability, and especially super shallow DOF control, compared to any current prosumer camcorder.
Probably outside your budget I know, just thought I throw it out there.