Welcome to the forum!
In my opinion you just can't beat traditional square nappies, although I'd always go for bamboo rather than cotton. They are easily the most efficient, very economical, wash and dry superbly well, fit from birth to potty, double up for overnight efficiency, and are not difficult to use, once you've done a few. You can't beat them, especially when teamed with wool nappy covers! Shaped nappies have their uses, but as a standard work horse everyday nappy my fave is sr=till a good old square - very satisfying too!
Have fun on the forum!