About 5 months ago I was given a 82 Vanagon 2L gas engine.  It dropped a
valve and damaged the head, a piston and jug.  The other jug beside it
was damaged by a mechanic who was unable to fix it.  The inside of the
engine has been open to the elements for at least a year.  There was
many debates about fixing it myself however with out a garage my options
were limited.  Now I have finally gotten it to my new place where I have
a garage.  And now have someplace I can actually drop the motor at.  The
question now becomes should I rebuild it myself or purchase a rebuilt
engine.  I have never rebuilt an engine, but don't generally have a
problem working on cars.  The question is also money.  A head, set of
jugs and pistons.  Piston rings, etc.  I'm thinking at least $500.  I
have seen rebuilt motors for as little as $1300.  I can afford the
rebuilt engine and the body is in great shape, so I think it's the best
option.  I think it would be fun to rebuild the engine myself, however
my final goal is to have a reliable vehicle.

So Here are my questions:

What are the group's recommendations for rebuilt engine dealers?

Fuel Injected or Carburetors?  I've heard I should go with
Carburetors???  But I've also heard they have to be adjusted from time
to time and I have never liked playing with carburetors in general.

I've heard they redesigned the heads, should I look for this?

Any other suggestions are welcome.

Thanks
Jeremy