We're kind of getting off topic but if all you want to do is smooth out the vtec than get one of these:
http://apexi-usa.com/shop/index.php/afc-neo-fuel-management.html
(This worked great for smoothing my vtec, but I had other issues...)
A little better (if you eventually modify)
http://www.vividracing.com/catalog/greddy-emanage-ultimate-unit-p-10466.html
Or, all the bells & whistles; Hondata or AEM
http://www.scienceofspeed.com/products/engine_performance_products/S2000/engine_tuning.asp
You'd end up with a better result than switching stock engines... you do have to find a dyno tuner though