I just got a test Graupner Polaron EX and power supply. Using Efuel 1200 and a Hyperion 0720I with great luck doing 2x10k's no problem.
Rorence welcome to the forums. Would you be kind enough to change your user name to your real first name and last name, please? The reasons for this (and how to do it) are explained here: http://forum.freeflysystems.com/index.php?threads/real-names.497/.