Smaller companies (Score 1)

You might want to check around to see what companies locally might make them. IBM clusters are avaliable through a number of smaller companies, most will ship them just about anywhere in the country, but you can save a ton on freight be finding one local. There is one in Houston, TX that I know of if you are in the Texas area, that is PCPC, Inc. (www.pcpcdirect.com) that custom configures and builds IBM clusters