yes vcard would be also a great feature. From the daily practise sometimes I just want to send to somebody basic contact information via SMS (name and phone number) to his cell phone, because he/she did not have the contact information. vcard is great, but
email is not always available.
example: My son had trouble with his car, he called me, I was looking arround to find somebody who could help and than I want to send the name and phone number to my son that he could talk directly to my friend and describe whats wrong with the car.
What I was doing: copy & paste from my adress book into SMS.
PS: Same with GPS coordinates if you are in a city and wants to locate yourself that others could find you