Hi,
The end of sale/support for PIX 515 does not include the PIX 515E Platform. Instead, the PIX 515E is the recommended replacement product for the PIX 515.
Please check this link for details:
http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/prod_eol_notice09186a0
08032d3b4.html#wp40270
Currently, there is no notification that the PIX 515E will also end its sale and support.
Regards,
~JG