NEXT year, we enter a new decade in the 21st century, the next lap of our education journey. (27/8/2009 - TodayOnline.com)
Next year is 2010 and is the last year of the first decade of the 21st Century. The year 2000 was the last year of the 20th Century. You know 2,000 - Two Thousand - Twenty Hundred. The Year 2000 was the Millennial year not the beginning of the new millennium.
I'm sure most historian or history professors would agree that there were no 0 BC and 0 AD and the same is true even if you subscribe to BCE and CE postfixes. You don't want to read want I have to say about the BCE/CE alternatives to the BC/AD.