You can still purchase a perpetual license for CS6, but the subscription products are also installed on yourlocal drive and run from there. The only time you need a connection is to download updates and for the periodic subscription status verification. If you are off-line when the checkin is supposed to happen the software should continue to work for another 30 days.
Creative Cloud does not require an internet connection except to check the license now and then. That length depends on whether you pay monthly or annually.
If you really want to throw good money after bad, be my guest: http://www.adobe.com/products/catalog/cs6._sl_id-contentfilter_sl_catalog_sl_software_sl_c reativesuite6.html?promoid=KFOZP
BTW, all I did was plug CS6 into the search at Adobe.com. Nobody’s hiding anything.
Thanks! I finally found my way to the correct place to purchase the upgrade.