Quite obvious from looking at the shape that this isn't the case, clearly the lollipop shape of the Extreme. Don't know if it is stock or more likely the prostock Extreme mold (there must be a thread on this already?).
Regarding the Extreme 2.0 - I've largely switched to it and play 5-6 times per week, full bed poly with no arm troubles as yet after about 3 months.
Edit - here is a picture
http://ww1.hdnux.com/photos/22/42/22/4859032/3/628x471.jpg seems pretty round to me, like the Extreme