Amazon has Norton Internet Security 2010 1-User 3PCs: http://www.amazon.com/gp/product/B002L7BR20/ref=ox_ya_os_product
for $19.99 today. Although it's not advertised on the Amazon page, this is
eligible for the 09-93212 upgrade rebate (assuming you haven't already hit
the limit of three that they'll honor).
For the upgrade Rebate, go to Symantec Rebate Center [symantecrebates.com]
and search for "09-93212" - Needs Proof of Purchase tab + proof of prior
ownership (on box flap).
Usual Amazon shi
