oh...i should have added that i am the one with the machine that had the horrible (haha a reference to Dr, Horrible for ya) ati graphics card which had to be replaced...which i would say it more on ati than apple...and apple was really awesome with taking care of it...they really wanted to know what the issue was so they could help bring about a fix...i bet the problem with the power is because the over heat issue with the horrible (see all these nods to Dr. Horrible) ati card....but we shall see what the reason is when i get it back