Magnum VS Hemi

I'm currently building 2 408 strokers for my boat, and possible a 3rd 5.9 for my 98 Wrangler. Just following the local Craigslist ads I have found:

A 99 5.9 complete with all accessories and a computer/harness for a manual trans for 400$
B 99 5.9 no harness or accessories but complete TB to oil pan for 250$
C 98 5.9 bare block for 150$

I sold off the keggers and pieces I didn't need along with all 4 heads for 200$ back. I will be running EQ heads on all 3. The boat motors are a priority, and I'll have the machine shop pick out the best 2 of the 3 to build for it. I'm still up in the air on the Jeep I may go with a 5.7. To go with the Hemi in the Jeep I need to change the dash harness, then I can make the stock EFI work. If I keep my 98 wiring I can use the 99 Manual trans harness I have.
Course you could also use a '80+ Dodge 4x4 727 or regut a 904 to go behind the 5.9 if it'll be auto. (should probably get a 727 if it'll be auto...)