There will be a live stream from Nintendo's 3DS launch event in Amsterdam today. It is expected that the European launch date and price will be announced. At 3pm Central European Time, visit this page. Here are the most important time zones:
2pm GMT
9am Eastern
6am Pacific
If your time zone is missing, please check the Time Zone Converter.
Very briefly: I expect a price tag of €249 and a European launch date of early April.