See: "http://linuxtoday.com/news_story.php3?ltsn=2002-10-24-017-26-OS-HW-SV";
"Far from being relegated to the scrap yard, mainframe systems are increasingly being used to run new application workloads, according to a recent report from Giga Information Group Inc. in Cambridge, Mass. "Driving the trend are the economic pressure to make better use of existing IT investments and factors such as the availability of lower-cost systems and the increasing support for Linux applications and newer workloads from IBM, according to Giga. "More than 70% of the mainframe MIPS shipped so far this year are in support of new workloads such as Linux, IBM's WebSphere, BEA Systems Inc.'s WebLogic, and enterprise resource planning software from companies such as PeopleSoft Inc. and SAP AG, according to Giga..."
