SPaMCAST Four features an interview with Stasia Iwanicki of the David Consulting Group ().\xa0 \xa0\xa0Stasia can be reach at .\xa0 Stasia and host, Tom Cagley, discuss the how the CMMI and Six Sigma interact.\xa0 \n\nThe discussion provides\xa0information for organization to decide\xa0which model makes sense and whether they can be applied at the same time.\xa0 The discussion touched on the issue of whether a craft or factory model is healthier as a model for an information technology organizations in the 21st century.\xa0 I believe\xa0the topic\xa0foreshadows\xa0its own\xa0mud wrestle in the future.\xa0 Thoughts?\n\nThe essay in this cast is titled 'Models, Models Everywhere . . .'\xa0 The essay challenges you to clearly understand why you are using any model and to evaluate the value.\xa0 Implementing a model for the sake of model is a loosing proposition.\xa0 The essay leaves you with the question, 'models, models, everywhere . . . a powerful tool or a straight jacket?' Which is it for you?\n\nNext Cast:SPaMCAST Five will be released on March 25th and will feature an interview with Ian Brown of Booz Allen Hamilton.\xa0 The interview will focus on the conundrum we call estimation.\xa0 This cast will be the first in an arc of discussion on the topic of estimation.\n\nFuture Events In April I will be presenting and teaching a workshop at the IFPUG Spring Workshops and Functional Sizing Summit ().\xa0 The workshop titled Counting New Medias:\xa0 Blogs, WIKIs, Podcasts and Second Life will be a truly hands class wrestling with sizing media and the tools used to create it. The IFPUG Spring Workshops and Functional Sizing Summit will be held Sunday, April 22\xa0until Thursday, April 26, 2007 at the Sheraton Wall Centre Hotel in Vancouver, Canada.\xa0 Information is available at www.ifpug.org.\xa0 If you are attending let me know and will see about a friends of SPaMCAST gathering.\n\nOn June 21 at 3 PM I will\xa0 be presenting When Good Numbers Go Bad at Better Software 2007 in Las Vegas.\xa0 The conference and workshops run from Monday June 18 though Thursday June 21 at the Venetian in Las Vegas.\xa0 Information is available at \xa0 If you are attending let me know.\n\nFinally remember that Will McKnight will be speaking at SEPG this year March 26\xa0through 29 in Austin.\xa0 Information is available\xa0 at \n\n\xa0\n\n\xa0Comments, Rants and Raves?Your comments, questions and rants are appreciated and will help to facilitate a dialog and build the community.\xa0 Let me know the topics you would like have covered and people you\xa0would like interviewed. Get involved! Contact SPAMCast at