What is the best membership streaming satellite to pc tv?

I have a brand new laptop and want to save money and drop my cable/satellite bill. I saw various web sites offering tv to your laptop for one up front payment. Two questions: Is this for real and safe pay wise and spyware/virus wise?

Verimatrix and Harmonic Highlight Secure Adaptive Bitrate Streaming for Multi-Screen Video Services

Verimatrix and Harmonic Highlight Secure Adaptive Bitrate Streaming for Multi-Screen Video Services
VCAS Integration With Harmonic’s MediaPrism Suite Creates Powerful Platform to Address New Revenue Opportunities in Digital TV
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Best Buy Selects Widevine as a Preferred Provider for DRM and Adaptive Streaming

Best Buy Selects Widevine as a Preferred Provider for DRM and Adaptive Streaming
Widevine to Provide Video Optimization and DRM for Insignia Branded Devices Sold at Best Buy Stores
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Widevine Named a Preferred Provider of Adaptive Streaming and DRM for Samsung Devices

Widevine Named a Preferred Provider of Adaptive Streaming and DRM for Samsung Devices
SEATTLE, WA and SEOUL, KOREA–(Marketwire – 06/22/10) – Widevine, a provider of digital entertainment solutions, today announced that it has signed a global agreement with Samsung Electronics Co., Ltd. to distribute Widevine’s live and on-demand adaptive streaming , virtual DVD-like “trick play” and [...]