I'd go for the life long plane ticket.

For me a life long exploration of human culture and civilization would be more fulfilling than a week long trip isolated in space in either a space suit or shuttle with nothing to really interact with. Although a trip orbiting the earth would be incredible, the only sense aside from anti gravity (which would be great fun even confined in a tiny ship) would be visual. You don't find fruits you can't identify or hear languages you can't speak in space and the innumberable forms of life and activity on earth make it more interesting to me. Earth is an explosion of life and organic activity whereas space is defined by its lack of these phenomena.