Delusions of Grandeur? With an accent? Buddy... listen to what you are saying... first of all...
1) the accent has a POS 4 cylinder... there is no way the engine bay can fit a small block... let alone a big block V8....
2) this would kill the weight distribution in the car and the accent... mind you... is not a very structurally rigid car... it won't be able to handle the added pressure of a few hundred pounds bolted onto the chassis
3) yeah, you would need a new drivetrain all together, not just a new engine
4) unless you were willing to do this all yourself, and sounding from your level if expertise.. you probably won't.. the labor of this kind of a job is crazy... it costs my friend $5k just to change his auto tranny to a stick shift... and that is only a part of the drivetrain
5) your best bet would be to get a used Civic... and put a supercharger or turbos or some other after market products on it... if you are worried about price.... otherwise... why else would you want an accent?
just my two cents