I don't think anyone even came close to answering your question, they seem to think your trying to find another device to stream your content as opposed to just a wireless hdmi connection. I believe your looking for a device like this, this will only work if both your computer and hdtv have hdmi which im assuming they do. http://www.bhphotovideo.com/c/product/799713-REG/BRITE_VIEW_BV_2322_Air_SyncHD_Wireless_1080p.html
Do you have an Xbox 360. If so you can always use it as a Media Extender and have access to all your movies, music and pictures. I've been doing this for years, works great for me.
I don't think anyone even came close to answering your question, they seem to think your trying to find another device to stream your content as opposed to just a wireless hdmi connection. I believe your looking for a device like this, this will only work if both your computer and hdtv have hdmi which im assuming they do. http://www.bhphotovideo.com/c/product/799713-REG/BRITE_VIEW_BV_2322_Air_SyncHD_Wireless_1080p.html