Well, if Timberline actually has them open, they have some good advanced runs. The problem is, they are VERY slow to get terrain open. They put nowhere near the effort into snowmaking that Snowshoe does. You can be fairly sure that Snowshoe will have most if not all of their trails open (even in early/late season). If conditions are good and T-Line gets everything open (be aware, the trail reports are not always that accurate at T-Line), you should give it a shot..