OK - did some more searching and found a bit on recovery.

Question is with a recovery system do I still need the vacuum pump? Most info states they have a compressor but nothing about vacuum.

Like this one
http://www.inficonrefrigerantrecovery.com/en/vortexrefrigerantrecovery.html
or this one
http://www.yellowjacket.com/prdetail.cfm?PrimCatID=110&Auto=1#a3012
ebay has some such as
http://cgi.ebay.com/STINGER2000-REFRIGERANT-RECOVERY-UNIT-NO-RESERVE_W0QQitemZ180095301269QQcategoryZ109488QQrdZ1QQcmdZViewItem
and per one thread on govt. auctions
http://cgi.govliquidation.com/auction/view?id=1149264&convertTo=USD

I'm located in MA
Thanks