I have bought and sold way too much camera gear in the last 6 months and have found (what I think) the ideal DSLR setup for those of you on the tightest budget. That being said, I do not own this setup, and if you don't have enough money for this setup then I would suggest NOT getting a DSLR camera for video.
Note that these prices will go down over time...
Body: Canon Rebel T2i $400-$600
Whether you get it new, used or refurbished, you can find this body for between $400 and $600
Has basically all the features you can get out of ANY DSLR with Magic Lantern installed.
Lens 1: Tamron 17-50 f2.8 NON-VC $300-$400
Whether you get it new, used or refurbished, you can find this lens for between $300 and $400
Tripod: Manfrotto 055 Legs or Bogen 302X Legs with a off-brand Head $150-$200
Whether you get it new, used or refurbished, you can find this tripod for between $150 and $200. Note that the price will not stay under $180 unless you get the older Bogen legs.
This head is a very good head comparible to the Manfrotto 701 head according to my friend Brian White (Jabronis*Mom).
Here's a link to the head http://www.ebay.ca/itm/Photography-Video-Camera-Fluid-Drag-Tripod-Head-717AH-/360319878569?pt=LH_DefaultDomain_0&hash=item53e4bd05a9
IF this head is not available or you are willing to spend a little more money the Manfrotto 701 Head is also a great option. that will run you about $50 more.
Cards: 2x Transcend 16gb Class 10 SD ~$50
You may be able to find this for even cheaper than $50 if you shop around.
Mic: Azden SMX 10 $60-$80
Good enough of a mic.
SO, thats the VERY BASIC DSLR setup that every one should start with AS A MINIMUM.
This setup is only worth posting if you fit these two things: