Various rumors going around:

Richie has proposed to Denise who told him she wasn't ready.
Richie broke up with Denise to go back to Heather.
There's tension between the band (melodirock.com)
The band is going to play in Australia (melodirock.com)
The band were going to add some date in Canada
There's a Bon Jovi CD of Duets coming out that will include Who Says with Keith Urban (poster on keithurban.net who said she heard it on the radio)
Jon is doing a tribute to George Jones (poster on Backstage who said she heard it on the radio)