If you're going to Lake Placid, I'd head to Mount van Hoevenberg first. They now have snowmaking so they can be open even if the weather isn't cooperative. It's also an awesome fun place to ski. Cascade is a classic-only place and connects to van Ho off of Van Ho's Three Trails loop. It's got narrower trails and a more mellow vibe than van Ho. I think you can get a trail pass that allows access to both areas.
I can't comment on the Jack Rabbit trail; i've never skied it. If you feel like venturing further afield, Dewey Mountain in Saranac Lake is cool and so are the trails at the Tupper Lake Country Club.