if you want to get the latest on computers and computer parts eg: graphics cards, coolers etc, then follow these channels on youtube.
ncixcom
linus tech tips
i have been following for some time noe, i hope you will too as they are very informative
Why didn't I have this : http://whydontihavethis.com
This is why I am broke : http://www.thisiswhyimbroke.com
Engadget : http://www.engadget.com
Mashable : http://mashable.com
NDTV Gadgets : http://gadgets.ndtv.com
Lifehacker : http://lifehacker.com
High T3ch : http://hight3ch.com
MakeUseOf : http://www.makeuseof.com
Tech Glitz : http://techglitzz.blogspot.sg
Tech Cinema : http://www.techcinema.com
Techie : http://techie.com
TechCrunch : http://techcrunch.com
Digital Innovation Today : http://digitalinnovationtoday.com
Gizmodo : http://www.gizmodo.com
GizmoCrazed : http://www.gizmocrazed.com
Electronics : http://www.myelectronicproduct.com
Nexpected : http://www.nexpected.com
TechRadar : http://www.techradar.com
TechnoBuffalo : http://www.technobuffalo.com
TechInAsia : http://www.techinasia.com
can try newegg tv and techquickie also