Right 2.1.15 is the latest and greatest. You can always check for the status of all our releases on our
support page and just click on the SW update request button to get an update scheduled for your serial number.
Warranty or not, we've always provided software updates for free.
That said... a heads up, we are going to v3.0 soon and that will be a paid upgrade, pricing TBD. For 3.0 we'll be moving to CentOS6.2 64 bit and it will be distributed on a flash drive. Keep an eye on our support page for this announcement and details.
Tom Goldberg
Cache-A Corporation
602 Park Point Drive
Golden, CO 80401
mailto:tom.goldberg@cache-a.com
http://cache-a.com