Do you feel comfortable and enjoy doing the assembly yourself? If so then I would go with a stroker kit. If not go with a complete shortblock, they are mich easear to deal with and you might even be able to find one with a warranty. Coast high performance is a good place to start (
www.coasthigh.com ). If you want a nice reliable streetable motor I would go with some AFR 185's and a hydralic roller cam like the comp cams 284 HR or 290 HR. I have heard that 408's do fine with reliabilty but I would check with some other sorces to be sure.