Do this, go to Best Buy and go buy one of the all-in-one card readers from Sandisk. They are around $40. They come with a USB A to mini b that's around 4-6 inches long, straight cable. You will get the benefit of having an all-in-one card reader, and get your short cable.

That's the only one I know of. I have one from it, and that's what I carry in my laptop bag.

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-Michael
Need help setting up your i730/i830 or other WM2003/WM5 Phone, as well as the other hacks I have done, check out the MRailing Guides and Links