Fn key - bottom left corner. Press once to use numbers keypad. Press twice to keep using numbers.
Don't forget that the foud buttons in the middle (Home, calendar, contacts and messaging) can be customised to go to whatever program or bookmark that you want. Go to TOOLS --> SETTINGS --> GENERAL --> PERSONALISATION --> ONE-TOUCH KEYS.
Add more to the comments if any come to mind. We are here to find out the easiest way to get to everything that the Nokia E63 provides.
Cut and paste numbers - similar to Nokia E65 here: http://mye65.blogspot.com/2008/03/inserting-phone-number-in-sms.html