SES-Sirius - operator of Sirius.
Broadcasters / channels
Lyngemark satellite chart - excellent. Each satellite listed as a separate page.
Spectrum - good prices and reasonable carriage charges.
Trac satellite systems - excellent motorised system installation instructions.
What satellite TV - equipment tests available but must be ordered at a reasonable cost.
Tele-satellite international - excellent equipment reviews in German and English viewable for free.
Humax info - only website I can find with useful information on the Humax receivers.
Swedish Microwave - good technical info as well as the excellent 'SMWLink' satellite finding / dish size software, FREE for download.