What's a good gift for a dad? I'm always lost on what I should give.

If you want something general, I suggest you get something that can be personalized with his name on it. The best ideas are something that he can also use, say a tumbler, towel, key rings, and the like. I found this site which I coordinated with a month ago. You can choose from umbrella's to tumblers and many more! their staff is really nice too! www.mypowderblue.com