Hardware: Investing advice is not my realm at all. But Ephraim Schwartz has a thought. “If I was allowed to buy stock in a high tech company — which I am not due to the fact that I cover most of them — I would buy into a manufacturer of thin clients. The more I cover SaaS [Software as a Service] the more I am convinced that over time the need for a fat client on the desktop will become unnecessary,” he explains in SaaS will make fat clients thin. “I’m telling you, buy thin.” Best of the blogs: What with the announcement Sun Microsystems made this week that its Linux support subscriptions are now less expensive than similar programs from Red Hat, Matt Asay is scratching his head (figuratively, anyway). “I continue to find it highly ironic that [Red Hat] competitors proclaim cost savings for their customers by shaving pennies from the least expensive part of the stack — the operating system,” he writes in Open Sources.The news beat: Sprint envisions an open model for WiMax, in which its 4G services will more closely resemble broadband than cellular styles. Microsoft details premium versions of Windows Vista that will become available on Jan 30. And TJX companies, the retailer that owns several chains, including Marshalls and T.J. Maxx, says it experienced a massive computer breach exposing credit card, debit card, check and merchandise transaction both in the U.S. and abroad. Technology Industry