for cams try Jim Mock Motorsport in melbourne, he has produced some pretty amazing figures... if you do a search on him here you might find a bit on him.
For a while alot of people doubted his claims, but dynos are starting to back him up. I am currently saving for his DEV4 kit.
AU2 S-pack Owner: Silhouette Black, XR6 Wheels, Tickford Sunroof, C2R rear bar, Checker Plate Floor Mats, Chrome Door Sills, Blue Backlite Dash, Blue Painted Brake Callipers, Advanced Extractors, Magnaflow High Flow Cat, 2.5" Stainless Steel Mandrel Bent Custom Exhaust, Genie Muffler. Sony Explode 50w x 4 deck, Kenwood 140w speakers (front and rear), Boss 1200 watt Amplifier, 12" Orion Sub in custom box. More To Come!!