Although somewhat semi confirmed DigiTimes mentions that Intel plans to introduce its first 22nm Ivy Bridge processors by the end of April. The launch lineup will include the Core i7-3770K, Core i7-3770, Core i7-3770S, Core i7-3770T and Core i5-3550, while the Core i5-3470, Core i5-3470S, Core i5-3475S, Core i5-3570 and Core i5-3570S will be released in early June.
Motherboards based on the 7-series chipsets should appear by early April, and the Ivy Bridge based Core i3 and Pentium processors are anticipated in August.
Additionally, the site also received word that Intel's next-generation, the Haswell processor and Lynx Point chipset, are expected by March 2013.