Rachyroo, I think sometimes the position of the placenta can effect which movements you feel too, so maybe not always easy to tell. It could be down to position though, the midwife should be able to have a feel and tell you.
I'd say b/fing classes are worthwhile. They do give you some useful advice. Although I don't think they made enough of a point just how much of the time you have to be feeding, particularly in the beginning. I didn't realise and as a result I wasn't prepared to give it enough of my time which I think is one of the reasons I failed. I had to go back to work, had a family wedding, lots of visitors, too many interruptions. This time I'm more prepared to devote the time I need!