I have a Canon 5D. My problem was not so much dust as it was spots on the sensor. I'm not sure if the spots came from lubricant inside the sensor box or from some other source, but the spots were much bigger than dust particles. I purchased the Visible Dust products and they worked beautifully.
Briefly comment on your solution to dealing with dust on your DSLR sensor.
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To get rid of dust I use a Giotto Mini-Rocket and a Visible Dust brush. To prevent dust I turn off the camera when changing lenses (which I do often), hold the camera with the opening pointing down, turn my back to the wind, and make the lens change as fast as possible (practice before going out into the field).
Dust issues!? What about their lenses? Don't folks have to keep their lenses clean? No "Dust Issues" for me, occasional dust, yes, but "Issues" no. Your camera system is like any other tool set. If you don't keep them clean, they don't perform the way they should. A little bit of preventative maintenance goes a long way to producing fantastic images, on digital or film!
After each photo session if there were lens' changed I will clean the sensor with a hand held air bulb. Before I change a lens I wait 10 seconds after I shut the camera off before switching the lens'. I am not sure if it helps prevent dust spots by minimizing the sensor's static electricity. Both my DSLR's do not have any means for "shakin da dust". So far I have been fortunate that I have not required a physical cleaning of the sensor with a swab and chemicals. I still do get a few spots occasionally though which as you would expect are noticeable in the least textured areas of the photo.
I had more of an issue when my DSLR was new. I'm careful when changing lenses. If I notice a recurring spot in my images, I clean with sensor swabs and methanol. Otherwise, I fix random spots in Photoshop. The first time I saw spots, I was crestfallen. Now it's just another routine, like cleaning lenses.
No studio photography here. It's all in the field, usually construction job sites with dust and humidity. I keep my Nikon D70s housed in a bag, and protected in the truck as much as possible, but still, dust is a demon...or is it a dust devil? So, every other week, I use a commercial sensor cleaner to do the best I can. Still, even after that, the first step in workflow is exorcise the dust demons on every shot.
First shoot a plain blue sky picture. Then open the photo in Photoshop and zoom in. Use the navigator to scan the image for a dust dot, usually a darker out of focus round blob. Then I use the procedure outlined in my Canon 20D owners manual and the Giottos Rocket-Air rubber blower(red tip). Always store the blower in an air tight container. Repeat sequence until there are no visable spots in the images.
This might seem simple, but it works for me. When possible, I use a brush to clean around the base camera lens and the camera before I remove my lens. This should keep dust from getting sucked into the camera when the lens is removed. I also change the lens with the camera pointing at the ground.
I dislike messing with my sensor, the cost to replace it, is not an Issue I would like to run into! I am waiting for reports back from consumers that have the sensors that clean them selfs to see if in fact that is the case, and If canon does bring one out in the 20D-30D kind. I have been known to jump ship.
I used to use eclipse, but the fact that you cannot travel with it (by air) made me switch to the lens pen system (birdsasart.com). I'd like to try dustaid, which has gotten good reviews. I'd like to save up for a Canon Mark III which "self cleans" but I have a question -- where does the dust go with the self cleaning sensors??
Within days of getting my new Nikon D200, I noticed a small "boomerang" shape in the same spot on all my photos; in blue sky, the artifact was very conspicuous. (Actually, this problem could have been present in the camera right out of the box.) In any case, I spent another $40 (mostly for insurance) to return the camera to Nikon repair which they did under warranty, saying the problem was caused by dust on the sensor. That was my introduction to this phenomenon. My strategy is to be very careful when chaning lenses.