[newbie] Subscription CD?

[Jon Doe]

I have read in several linux books about distro's haveing a subscription 
service where they send you updated CD's with the latest upgrades. When I 
puchased LM 7.2 PowerDeluxe I did recieve a KDE update CD in the mail.
I was wondering if LM has a subscription CD like this. Can anyone supply a 
link?