Such a shame - boutique PC maker Hypersonic-PC has closed down. According to a message left on its website, "At this time Hypersonic-PC is not accepting any orders. We are honoring all warranties and will continue to support existing customers. All customers that currently own a Hypersonic branded PC or Notebook can contact the following numbers for direct product support."
While Hypersonic-PC wasn't as well known or successful as the likes of Alienware, Falcon Northwest or Voodoo, the PC maker did produce some rather solid products targeted for the gamer. I personally still use one of their 12.1-inch laptops that really impresses me for its looks and performance.
OCZ Technology bought the PC maker sometime ago now as it expanded into new areas. Rob from Techgage was able to contact Alex Mei, OCZ's Executive VP and CMO, and got the following response: "We are focusing all our resources on SSD, PSU and Memory and our SI business really didn't fit into the spectrum of things."
Also according to Alex from OCZ, the company intends on taking care of all customers that have bought Hypersonic products and your warranty is still active. At least some good news there, but R.I.P. Hypersonic-PC. We liked you while you were around!