Thanks guys! Don't know about all those Nikon and lightroom thingies. At first I just thought the term "Digital Darkroom" sound so cool! Glad that it is all clear now!
I really hope to spend more time in this forum to learn more about digital photography since I like a lot of what are happening in the forum but I really have very little experience in participating in forums and surfing the internet (as I have to fight for the usage of the computer at home and the company don't have internet access).
By the way, the camera passed down to me by my uncle is a Canon500D.