I have been in the data processing field for 30 years; most of it has
been in the mainframe arena.  25.5 of those years, was spent in marketing as a Systems Engineer.  I am currently now working for Boeing in a consultant position; still in mainframe.  I had one of the first IBM PCs and have grown up in the PC area as a home user as well as a PC user at work.  I have been running OS/2 for about eight years now and am pretty proficient in this system.