In PX-RR scheme the official time per round is 20 secs, but i think it is too less, with how much time are you playing this scheme???
and how can i modify the time per round???
WMDB Heavy Pack Components page has been opened!
There you can download only that parts of the Heavy Pack, which you need (only Shopper maps, for example), if you dont want to download the full 700MB package. Also, future possible updates of Heavy Pack and other stuff will be published there.