Models like the HP Stream and ASUS VivoBook pick up where netbooks left off. Packing just 4GB of RAM and low-end CPUs, they’re not powerful machines – but they’re not supposed to be.

The Acer Aspire One AO722-0828 has a few stand-out features, for a netbook: 4GB of RAM and a 500GB hard drive are rare finds in this category. PCMag PCMag.com and PC Magazine are among the ...