Last week I was really busy testing out the Ubuntu Quantal Quetzal releases on my Core i3 and Core i7 laptops. Lubuntu, inarguably, was the fastest of the lot and I was amazed by the speed it offered. However, there is a desktop in my house, from my student days, a 2.4 GHz Pentium IV (single core), 1.5 GB DDR RAM PC. Mostly it is used by my kid to watch rhymes or my wife/parents check their