Rules: Since Twins and Caprice trigger off the same event, the corp can resolve Caprice first. If Caprice fails they can then resolve Twins, which will trigger Caprice another time. So instead of a 1/3 chance to get in there is a 1/9 chance. Of course you need the extra copy of the last ICE in that server in your hand.
I cut 1 ash from a standard RP build and added 2x Twins. The ICE that are at 3x in the deck are Komainu, Tsurugi, Eli, so when playing I put one of those as the first ICE in the scoring remote. I played 4 games against Stealth Andy and won 2 of them. Small sample size, but already it happened once that I was scoring the winning 5/3 with Caprice + Twins, the runner won the Caprice PSI game, but lost the second PSI game.
My thoughts: Pros - if you assemble the combo the server is a lot more defended, for a cheap credit investment. Cons - 3 card combo, adds additional cheap trashables to your deck.
Has anyone played around with this, any thoughts?