A study from NPD tells us some interesting facts about Mac owners in the USA, highlights include:

* 85% of Mac owners also own a PC

* 72% of Mac owners use a notebook / laptop

* 66% of Mac owners own three or more computers

* 63% of Mac owners own an iPod

* 49% of Mac owners own a navigation device (GPS, but is iPhone included?)

* 36% of Mac owning households report incomes over $100,000

* 32% of Mac owners have a Digital SLR camera

* 28% of Mac owners have an iPod Touch

* 20% of Mac owners have a Flash-Memory Camcorder

* 18% of Mac owners have a 50″ or greater LCD TV

* Average Mac owners have 48 consumer electronic devices, vs 24 for the average Windows PC user

* Mac ownership/marketshare is up to 12% in the USA, from 8% last year

NPD goes on to surmise that the purchasing decisions of Apple / Mac owners are a significant indicator of trending popular products and adoption trends.

NPD via TheAppleBlog.com