Joomla 1.5.xx is the ladder to the upcoming Joomla 1.6 / 1.7. We at JoomSpot.net offer migration services for Joomla 1.0.xx based sites. Please use our Contact Us form to get the estimate, do mention your Joomla version along with 3d party components / special modules. To Know More or to see some of our migration works click here.