well it depends on how enthusiastic are you about the situation the most enthusiastic is eager to it shows that you want it badly , shows you are too excited I cant wait to is lower in the enthusiasm but also shows you have a strong will about something I'm looking forward to still shows you have enthusiasm and spirit but its a moderate term which doesn't show a lot of enthusiasm but still shows you have the will for something in the end it depends on the situation you are in and how much enthusiasm you want to show

Hi, I'd like to be language partners on italki. I'm Ron in New York, USA. I'm happy to help you improve your spoken English. If you need help, please add me to your Skype: ron.jenkins86 And if you want a new friend, lets be friends! :) Thanks and see you soon!