Release 22 (and surrounding versions) introduced specific workflow accelerators to bridge the gap between V5 and V6 users.
A. Multi-CAD Integration (V6 Key Feature) One of the deep features of the V6 architecture is its ability to natively handle non-CATIA data without conversion. catia v5 v6 r22 sp4 multi torrent patched
B. ICEM Surfacing Integration In R22, the integration of ICEM surfacing technology into the V6 core was a major focus. B. ICEM Surfacing Integration In R22
C. Live Rendering
If you just need CAD/CAM capabilities without cost: catia v5 v6 r22 sp4 multi torrent patched
The "V" in V6 stands for "Virtual," but it also implies a heavy focus on collaboration.