when can I get older cards?

Access to the 480p VirtuaGirl Classic cards is achieved at Platinum level

When you reach Platinum level (100-299 cards) you will get

• -30% on all full shows
• 50 free credits added to your account
• Access to the Platinum Only and Nude Girls forum categories
• Access to the catalog of oldies in 480p resolution named VirtuaGirl classic
• Slow motion & Pause commands appears in your settings

After you Reach Gold Level ( 40-99 cards ) and purchase your 41st card.
you will have access to the iStripper Classic and iStripper XXX Classic collections.
These are in 720p resolution.

from the Information manual in the GUI

Note Full shows in 720p appear once you have > 40 cards in your collection (Gold member, it is named "iStripper classic" and the XXX are named "iStripper XXX classic"