Even though the FCC time clock is not yet running, there is no shortage of comments regarding the proposed merger between Sirius and XM.

Comments seem to come in spurts, with many of them being form letters.

All comments become part of the record, so be sure to express your opinion. Comments can be filed via the web by going to the FCC Electronic Filing Comment System. Remember to enter "07-57" into the proceeding section of the form.