What makes more sense? Cloud computing on Mainframes or room fulls of Windows servers?
http://news.yahoo.com/s/nm/20100802/tc_nm/us_eu_ibm;_ylt=Aq2GM0wBgv91tVTdSZlsMwhT.3QA;_ylu=X3oDMTJnbTZzaTA2BGFzc2V0A25tLzIwMTAwODAyL3VzX2V1X2libQRwb3MDMjQEc2VjA3luX3BhZ2luYXRlX3N1bW1hcnlfbGlzdARzbGsDZXVvcGVuc2FudGkt