Lower the default max E feedrate a bit. With the stepper fix this is much to high.

Marlin/Configuration.h

@@ -283,7 +283,7 @@ const bool Z_ENDSTOPS_INVERTING = true; // set to true to invert the logic of th
 // default settings 
 
 #define DEFAULT_AXIS_STEPS_PER_UNIT   {78.7402,78.7402,200*8/3,760*1.1}  // default steps per unit for ultimaker 
-#define DEFAULT_MAX_FEEDRATE          {500, 500, 5, 45}    // (mm/sec)    
+#define DEFAULT_MAX_FEEDRATE          {500, 500, 5, 25}    // (mm/sec)    
 #define DEFAULT_MAX_ACCELERATION      {9000,9000,100,10000}    // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for skeinforge 40+, for older versions raise them a lot.
 
 #define DEFAULT_ACCELERATION          3000    // X, Y, Z and E max acceleration in mm/s^2 for printing moves