Rediff money is user friendly. Any far most enemy of Rediff will accept that. its simple to use, and gives a pleasant outlook of market in only a few clicks. if you are a new bee, rediff is ideal , can learn many things like share, charts, stock profiles etc.
But when we need vast information we miss many thing on Rediff, analysis and tools of market prediction, features and options are not there which you can get in moneycontrol or in puntercalls. The Rediff money is created on java platform as I see it, it takes very short time to load and gives a relief to the eyes (and also you can see the stock quotes are updating in real time basis).
There are some registered members are also gives stock tips and I tried to follow some of them. I think rediff can load some more analysis tool on there site and it should be number 1.