Just when I thought SAP BI is the way to go, my project suddenly requires SAP PI/XI expert. Not as what I imagined it would be, now I have to embrace the SAP PI/XI first before moving to SAP BI. SAP PI/XI once was a very interesting and very much in demand. Basically, it is a middleware application, the most famous one I guess would be IBM WebSphere offering. Things are not looking that well however for SAP PI/XI because the rest of competitors also...