[Elecraft] Price estimates for K2, K1, KX1

[Rod Greene W7ZRC]

All,

I am new to Elecraft and have acquired these fine transceivers from an SK. 
What would be a fair price for the following? They are all in very nice condition
with no marks except a ding in the KX1's Band push button which doesn't affect
its operation. All seem to work fine and appear to put out full power. I have
made contacts with all three and received good reports.

K2 #2865 with options:
 Low power 
 KSB2
 K160RX
 KNB2
 KAF2
 KAT2
 KIO2
 Rev 2 firmware

K1 #685 with options:
 K1-2
 KFL1-2 so it covers 40, 30, 20, and 15Mtrs
 KAT1
 KNB1
 KTS1
 
KX1 #583 with options:
 KXB3080
 KXAT1
 KXPD1
 
Thanks for any and all help! 73,
Rod W7ZRC