Transfer Contacts from Nokia 5800 to Samsung Galaxy S ? / Best way :-)

Or you can:

1. On your Nokia phone go to Contacts
2. Go to Options > Mark/Unmark > Mark All
3. Options > Copy > To Memory Card
4. Connect your phone to PC
5. Browse to /Other/Contacts/ on your phone’s memory card
6. Copy all the .vcf files to your PC

Use this tutorial to import your contacts to your Gmail account: http://mail.google.com/support/bin/answer.py?hl=en&answer=183711

If you have problems in importing multiple contacts, just use this command on Windows Command Prompt to join all your contacts in a unique vcf file > COPY *.vcf MyContacts.vcf

Sync your Android phone with your Gmail account and you will have the contacts on your phone.