You can buy discounted Prjection tv accessories at your local Wal Mart or Target. Check their ads for sales. You can also find sales on tv accessories by visiting; http://www.amazon.com/TV-Accessories-Audio-Video-Supplies/b?ie=UTF8&node=172664

some accessories for a 3d tv would be 3d glasses with an emitter, a 3d adapter, a remote, and HDMI cables. You can often find these accessories in a kit made specifically to go with 3d tvs.

Satellite Super Store and World of Accessories both have add on accessories for Sky TV subscribers. The Sky TV website has it's own online store as well as a retail store locator where items can be purchased.

Yes, they do have brackets and things to hang the televisions on the walls. http://www.usa.philips.com/c/tv-and-monitor-accessories/fixed-sqm6375_27/prd/

TV mounts, stands, anti glare products, different kinds of remotes, and entertainment stands are just a few examples of TV accessories you can get in today's market.