The Xbox is supposed to be part of Microsoft’s plan to diversify beyond Windows. Other initiative like its Zune multimedia player are off to a slow start. The company’s online initiatives are behind Yahoo! and Google.

But, market research firm NPD indicates the Xbox 360 sales may not be doing to well. Xbox  360sales in the first 13 months that the product has been in stores are 6% higher than the regular old Xbox. That product was introduced in November 2001.

Six percent is not much. With Playstation 3 somewhat slow in getting to market, Microsoft should have expected more.

At least the Nintendo Wii is selling well.

Douglas A. McIntyre can be reached at douglasamcintyre@247wallst.com. He does not own securities in companies that he writes about.