Looking For Ultimate Ultrabook

I finally found an Ultrabook from HP, Envy 4-1117nr Sleekbook. It’s a very nice little 14″ Windows 8.1 laptop with i5-3317u 1.7Ghz with turbo boost to 2.6 Ghz, but HP bios limit the turbo to 2.4 Ghz.  This one has the same specs as the Envy 4-1130us, although I don’t see many of these Envy