I have been doing a little research and came across a few products that I haven't seen. I figured I would post them for others whom may not have come across them.

4.6 Short Blocks or 5.0L stoker kits:
http://www.dssracing.com/46supermod.html

Ported and Polished Heads: 4 Stages available. Call for details.
http://www.suttonhp.com

Cams:
http://www.crower.com Est. Availability Nov-Dec 05'
http://www.suttonhp.com Can do custom regrinds of the factory cams