2000-2006 engine swap

I need to get a whole new engine for my 2000 NB 2.0 5 speed. From what I gather there is options besides one from the exact same vehicle. What are my engine options for easy compatibility?? I have someone who has swapped engines from an '01 beetle before, but he wants me to keep it simple and...

My 2000 New Beetle with a 1.8 Turbo engine has lost its timing belt. While considering the repairs, my 2006 New Beetle convertible with the 5-cylinder engine was rear-ended and totaled. Is it possible to take the engine and transmission from the 2006 and drop it in to the 2000 without major...