You have ALOT of reading and learning to do before you even think of this swap. Here's some info:
How to build a "reliable" lsvtec/b20vtec - Honda-Tech

LS/VTEC Head Swap - Tech - Honda Tuning Magazine

Building the LS-VTEC Honda Civic Engine - Tech - Sport Compact Car Magazine

Ultimate LSvtec Build up Parts Price Thread - Honda-Tech

http://www.honda-tech.com/showthread.php?t=501372