What will be the price on the intercooler package without the boost upgrade?

If you're referring to the package as shown in the link below, then we can certainly help with pricing up a package for you.
http://support.maceengineering.com.au/Knowledgebase/Article/View/98/143/3-intercooler-package

To do this accurately though, we need to know what kind of Commodore you have along with the type of intercooler kit and roller rockers you're after from the kits below:

MINI BLIZZARD INTERCOOLER KIT TO SUIT HOLDEN SUPERCHARGED 6 L67 http://www.maceengineering.com.au/epages/shop.sf/en_AU/?ObjectID=1469597

INTERMEDIATE INTERCOOLER KIT HOLDEN SUPERCHARGED 6 L67 http://www.maceengineering.com.au/epages/shop.sf/en_AU/?ObjectID=1469589

A2A INTERCOOLER KIT TO SUIT HOLDEN SUPERCHARGED 6 L67 http://www.maceengineering.com.au/epages/shop.sf/en_AU/?ObjectID=2350222

HIGH RATIO ROLLER ROCKERS FOR HOLDEN ECOTEC AND L67 V6 http://www.maceengineering.com.au/epages/shop.sf/en_AU?ObjectID=1469592

ULTRA HIGH RATIO ROLLER ROCKERS FOR ECOTEC AND L67 V6 http://www.maceengineering.com.au/epages/shop.sf/en_AU/?ObjectID=1469482