N4EKV answers all QSL cards it receives.  You have several choices for delivery:

ARRL Buro:
I maintain envelopes at the N4 bureau and respond 3-4x per year.
Outgoing cards last sent: Mar 2005.

United States Postal Service:
ARS N4EKV
PO Box 1667
Lafayette, California, 94549 USA

FISTS Buro:
I maintain envelopes at the FISTS CW club bureau and respond 3-4x per year.
Outgoing cards last sent: Mar 2005.
(I am FISTS number 8573)

www.eQSL.cc:
Last upload: May 11, 2005.

Email:


Logbook of the World (LoTW):

After my March 21, 2008 upload:
N4EKV has: 3,692 QSO records, 506 QSL records (13.7% QSL'd)
LoTW has:
163,309,482 QSO records have been entered into the system.
12,602,991  QSL records have resulted.
19,730	    Users are registered in the system
30,069	    Certificates are active
555,183	    User files have been processed

After my July 14, 2005 upload:
N4EKV has: 3,333 QSO records, 332 QSL records (9.9% QSL'd)
LoTW has:
75,362,501 QSO records have been entered into the system.
3,498,574  QSL ecords have resulted.
10,017	   Users are registered in the system
15,100	   Certificates are active
132,210	   User files have been processed

After my May 11, 2005 upload: 
N4EKV has:
3,228 QSO records, 308 QSL records, (9.5% QSL'd)
LoTW has:
72,064,345 QSO records have been entered into the system.
3,260,802  QSL records have resulted.
9,719	   Users are registered in the system
14,622	   Certificates are active
121,086	   User files have been processed