What fun. I used my little 6AG7/6DQ6 20 watt MOPA TX and Drake R4A RX for all contacts (along with my 1959 Deluxe Lightning bug). You can see the TX on my shelf right next the the Drake T4XB (that I did not use). Great hearing 40 CW  COMPLETELY packed. I just finished a little 1 tube Twinplex regenerative RX that I was hoping to use, but it is just not selective enough to use with so many packed signals. Maybe I'll come up with a new design for next year.