None of the above.
To me it is the couple that you are currently working on and the next few you plan to build.

Mine are

Just finished:
#1926 Estes V-2
MPC Flare Patriot
K-40 Midget Clone
Astron Elliptic II

Working on:
Semroc Mini Omega
Squirrel Works War over the Pacific Planes

Up Next:
Centuri Mini Dactyl
Estes mini HJ