I sent an email to tech support regarding the "jerky" movement on my DFW HD LiL's. Here's their response:
Dear Mr. Hilton,
Thank you for your e-mail. Our engineering department is aware of this issue; it has been determined the issue is software related and we are actively working to resolve it as soon as possible. It will be resolved with a software update in the near future. We apologize for the inconvenience.
We hope we have properly addressed your concerns. If you have further questions you can respond to this e-mail or access our online technical support at the following link: http://tech.dishnetwork.com/departmental_content/techportal/index.shtml.
Thanks,
XXXXXXX
Technical E-mail Support
Dish Network