Seen this game on sale at my local game shop for the last month, now I know it's gonna be an easy-ish 1000 I'll definitely buy it then sell it on eBay when I'm done.
First Achievement - 23rd December 2005
100,000G - 30th April 2008
200,000G - 7th November 2009
300,000G - 28th June 2011
400,000G - 31st December 2012