Today's announcement includes a 14-inch touchscreen model for just $399 and a huge, 17.3-inch laptop.
The new all-in-one and desktop lines will offer CPUs from Intel's new fourth-generation Core Haswell line, as well as from AMD.
Hewlett-Packard reported a 32 percent drop in profit for its second fiscal quarter, due partly to slower sales of PCs and servers.
The new Split x2 and SlateBook x2 could be the faster, more capable hybrids we'd love to see.
Further pursuing its strategy to help enterprises move workloads to hosted environments, Hewlett-Packard has updated a number of its IT management tools with more capabilities to work with public and private clouds.
The offering still remains a bit of a dark horse in the race for cloud business, though it offers compute, storage and content delivery services, and has been upgrading its IT management software.
Hewlett-Packard is barely holding on to the top spot in the laptop and desktop market, but hopes a renewed vigor regarding product design will help reverse the fortunes of its PC business.
Hewlett-Packard on Monday kicked off a series of upcoming PC announcements with new ProBook 400 series laptops, including a 15.6-inch model with a touchscreen.
After Ernest von Simson's book, "The Limits of Strategy: Lessons in Leadership from the Computer Industry," was published three years ago, he watched major shifts occur at the IT companies he had focused on, notably the slide of Hewlett-Packard at the same time that stalwart IBM maintained its industry standing.