HP's more modest gaming desktop is the simply named Omen Desktop, which is now available with AMD Ryzen processors inside. It's a more traditional tower-style chassis that's highly configurable, with prices ranging from just under $1,000 to over $3,200.
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips