Well N95 and N98 is cool, but what you want to see in N100?
Since the killer phones right now are called as N8 and the still unknown "N9". So, maybe, you want to know what we want to see in a N1 phone =)
Imho, a powerfull graphics-card with a good battery life would be good =)
software side: Freedom to rewrite default apps suchs as caller and contacts.