I like the deal for you. Hornqvist & Pacioretty are similar, but Kessel moving out should help Hornqvist a smidge with PP icetime.
I prefer Kase to Vilardi as well. Vilardi has barely played in the pros, and will be 20 soon. Kase was in the NHL shortly by 21, and has already scored 20 goals. He's only 23, and I'd worry more about Vilardi not panning out.