After the launch roughly a week ago Intel's new Core "Ivy Bridge" processors finally started selling in the retail channel, today.
At least six quad-core models under Core i5 and Core i7 brand extensions were listed on US retailer Newegg.com, which included the Core i7-3770K (3.50 GHz, Unlocked) at US $349.99, Core i7-3770S (3.10 GHz) at $319.99, Core i7-3770 (3.40 GHz, locked) also at $319.99, Core i5-3570K (3.40 GHz, Unlocked) at $249.99, Core i5-3550 (3.40 GHz) at $219.99, Core i5-3450 (3.10 GHz) at $199.99, and Core i5-3450S (2.80 GHz) also at $199.99.