here's a timeline for HoN (and the custom maps they promised)
Quote (CustomMode;14047335)
Custom Maps
Closed Beta (April 24th, 2009)
N/A
Open Beta (March 21st, 2010)
+ 11 Months
N/A
Retail (May 12th, 2010)
+2 Months
N/A
HoN 2.0 (December 13th, 2010)
+7 Months
N/A
HoN 3.0 Interview (June 9th, 2011)
+6 Months
N/A
HoN goes F2P (July 29th, 2011)
+2 Months
N/A and E/A
Total
28 Months