Are there pilot weight limits for the Rutan Vari Eze? In this question on the Rutan Vari Eze it is said one of the reasons it parks nose down (gear up) is to bring the Cg forward for stability (so it doesn't tip over) when there is no pilot in the aircraft. 

If the pilots weight is that important to move the Cg to a safe position, is there a minimum/maximum weight the pilot must be to bring the Cg to be within acceptable limits?
According to the Owner's manual, 


  The air plane can structurally accommodate pilots or passengers weighing up to 250 lbs.


Of course, this is subject to the maximum allowable takeoff weight.

The manual also gives the forward and aft cg limits (in page 30). In case of very light pilots, the aft cg limit may be exceeded and it may be required to carry ballast for bringing the cg within limits.