We have just released version 1.2.6 and has seen many improvements with stability, image formats, geo-data and multi-thread issues. Give it a spin and let us know what you think over at support@ubermind.com. We'd love to hear how you think we could improve it!

Thanks!

http://www.ubermind.com/products/maperturepro.php

http://www.ubermind.com/products/maperturepro-faq.php