I have the luggage I need for multiple-night trips, but my rollaboard is really larger than I need for a single overnight trip, so I'm looking for an overnight bag. Initially, I assumed I'd want one with wheels, but now I'm wondering if it's not better to get one without, to save on the weight and storage space. I'm thinking in particular it might be nice to have this bag as a carryon for flights on European carriers, and I'd hate to bump up against the carryon weight limit with the weight of the bag (and wheels and extendable handle) alone. On the other hand, I don't fly on European carriers that often, maybe once every couple of years.

I'd be carrying a small laptop (ca. 4.5 lbs.) with its charger and a book in addition to a change of clothes and toiletries. For trips involving flight, I'd add my noise-cancelling headphones. But not all of my overnight trips involve flying.

Anyone care to offer advice about whether it's better to get wheels or go without?