If it really is a windfall I would basically blow it. Not justifications about future value here.
While I usually have a short list of things to buy, I would use a windfall to change my day to day routine. $1000 sounds about right for a long weekend getaway. Personally I would fly to Florida for a couple days of flyfishing.
Cut out the flight and $1000 can really go a long way. Get a nice hotel in the city. Spend the days in museums. Eat in nice restaurants. Go to shows at night.