I switched from Satyam to Bplnet couple of months back and I think it was a good choice. The Bplnet account CD is available off the shelf (location:Cochin). The installation of the ISP dialer was a breeze and the dialer looks classy. The registration process was little troublesome but after that everything went smooth. I had some trouble with my registration and the net-assist(bplnet help centre) guys helped me.
After registration, my surfing was smooth and the speed was pretty fast. Compared to Satyam, bplnet has better speed and service. Renewal of my bplnet account was a also very easy eventhough the renewal pack was not readily available. Overall my experience with Bplnet was Not too bad!!