The date to remember is May 28th, if you are waiting for the iPad, outside of the United Stated. Today, Apple made the announcement of the date:

Apple® today announced that iPad™ will be available in Australia, Canada, France, Germany, Italy, Japan, Spain, Switzerland and the UK on Friday, May 28. Customers can pre-order all iPad models from Apple’s online store in all nine countries beginning on Monday, May 10…”

link: Apple iPad

Hopefully, some lessons were learned in the American launch. There were Apple fans who were disappointed in the launch. Apple can improve as the product launches go around the planet.