Hi there,
I do not have much info regarding Pamporovo but this might be helpful for those going to Borovets.
My Bulgarian friend told me that in the BG newspapers it was written that it will be very cheap to ski at Yastrebets for only 20 levs the pass for thursday and Friday and for Saturday and Sunday it will be 30 levs one day pass.
Jenni
In Pamps a 1 day pass is 49lev and 6 day is 276 but if you are going for a 6 day you pay an extra 6 lev and get a card which you put in your top left hand pocket and it auto lets you through the gate. Its worth getting a 6 day if you are going to ski every day