Tomorrow, AirTran Airways will roll out the first of its planes equipped with free XM Satellite Radio. The airline will equip its Boeing 717 (which recently Boeing has been ended production) and Boeing 737 planes to offer XM in every seat, and will all of its planes will be outfitted with XM receivers by the end of summer.

To market this, AirTran is sticking giant decals of singer Elton John's mug on a handful of its planes. (Smart move since everyone associates Elton John with XM... right? no? nothing? Note to XM Marketing Dept: Brand recognition begins with - the brand.)

Meanwhile, JetBlue Airways also will introduce the XM programming fleetwide on its Airbus aircraft this year, and it will be added to the airline's new fleet of Embraer 190 aircraft when they're put into service this year.

Both AirTran and JetBlue will offer XM satellite radio service for free to passengers.