serious street power.
I cant speak for specifics in tech like guys like moper can, but i will tell ya that i think a 440 in an abody is more than enough, especially with aluminum heads...I think also that you should wait for a little more cash to do the motor- in the end its the little things that add up, like what moper listed (i.e. timing chain, oil pump, converter, etc.)...I think if you tune her right even with just a basic short block rebuild and nothing else different from your current setup you should see some gains at the very least...either way good luck! sometimes its hard to decide where to put your money, especially when you have very little