#working example site with SSLv3 disabled:
My-iMac:~ me$ openssl s_client -connect facebook.com:443
CONNECTED(00000003)
depth=1 /C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert High Assurance CA-3
....

#My site with SSLv3 disabled:
My-iMac:~ me$ openssl s_client -connect site.company.com:443
CONNECTED(00000003)
66904:error:140790E5:SSL routines:SSL23_WRITE:ssl handshake failure:/SourceCache/OpenSSL098/OpenSSL098-52/src/ssl/s23_lib.c:182:

#Same site, now with -tls1 on command line, works:
My-iMac:~ me$ openssl s_client -connect site.company.com:443 -tls1
CONNECTED(00000003)
depth=1 /C=US/O=GeoTrust Inc./CN=RapidSSL SHA256 CA - G3
....

SSLEngine on
  SSLProtocol -all +TLSv1
  SSLHonorCipherOrder On
  SSLCipherSuite RC4:HIGH:!MD5:!aNULL:!EDH:!AESGCM:!SSLV2:!eNULL
  SSLCertificateFile /opt/ca/cert.pem
  SSLCertificateChainFile /opt/ca/cert.pem