STM's Vertical is a solid bag at a competitive price, though if you're the type of mobile warrior who needs extra space in your bag, it might not be for you.
GreenSmart's medium-sized Kea Laptop Daypack has a built-in laptop sleeve for your MacBook and plenty of smaller pockets to hold other necessities and gadgets.
If you appreciate laptop-case minimalism, Thule's Attache is sturdy, protective, and reasonably priced, and it holds both a MacBook Pro and an iPad.
Book's Python Sling holds all your computing and photography gear while keeping it safe and easily accessible.
Sleek-looking backpack is comfortable and compact, but surprisingly roomy inside.
GreenSmart's Baringo Messenger is made of recycled materials, well-constructed, and plentiful in pockets, zippers, and pouches. The one problem is that it's just too big.
Incipio's Weekender strikes a good balance between a backpack, a messenger bag, and carry-on luggage. It offers solid construction and a comfortable design that lets you bring all your travel gear--clothes, gadgets, and gear--in a single, roomy bag.
The Fujiya laptop bag is aimed at vegans and the eco-conscious, thanks to its leather-free construction, but it's an excellent bag--both stylish and practical--that's easy to recommend to anyone.
This classy, stylish, and sturdy offering is a good alternative to the bulky and loud reality of women's laptop bags.
SGP's Klasden Neumann shoulder bag is minimally designed, with a faux-fur sleeve for your laptop and several recessed, zippered pockets. While it may not work for all users, it's a nice offering for students, tech workers, and those who need a good all-around bag.