I provide you with some links:
The 1st channel ("Первый канал") -1tv.ru
News, pro-government channel;
Sportbox ("Спортбокс") - news.sportbox.ru
Sports, mainly that are very popular in Russia - football and ice-hockey - but there are others, such as volleyball, basketball, tennis, biathlon, formula one. The range of international championships is far wider.
ТНТ (no idea what this abbreviation means) - tnt-online.ru
Programs for fun, especially for people in their 20's.
My Planet ("Моя планета") - www.moya-planeta.ru
Nature, space, history, and other such things.
Which channel is the best? Again it'll be YOUR choice. Enjoy.