This was just posted on the Ebay Store Board not too long ago.
Dear eBay sellers,
Please note that the eBay Stores 30-day free trial offer on eBay.com will expire at 12:00 AM PT on Wednesday, May 3, 2006. If you have been considering opening an eBay Store, please make sure to open your eBay Store before May 3 to take advantage of this offer. NOTE: the 30-day free trial is for new subscribers of a Basic or Featured Stored only.
As of May 3, new eBay Stores subscribers on eBay.com will be charged the monthly subscription fee associated with their subscription tier in the first month.
Regards,eBay Stores Team