Hey Chuck,
When I've been faced with this, I just find another good kick in the song and replace the bad ones. Copy and paste works fine. If it's all over the track, you blew it from the tracking stage. You should have seen inconsistent kick drum levels before the kit was tracked, ya know? For that guy maybe you needed a little more mic pre since he kicked like a girl. I would have D-Drum triggered as a safety net and always do just to save me from situations like this. OR...I can always create a gog file out of the drummers kick drum and re-replace it that way using Drumagog so HIS kick is what hits at all times consistently.
Or, you use bitflipper's advice and do the convert to midi using Audio Snap. As long as you have a really good drum module, it won't sound robotic. Superior 2, BFD 2/3, Addictive Drums...something with a decent amount of velocity based samples. Meaning, it may have 15 different hits per velocity so it doesn't give you that robotic sound.
But one thing you should always do bro from here on out....buy some good DDrum triggers and always have them on your kit as a safety net. Even if you don't use the midi you create, you'll be happy you have that safety net. Your brain you use for your V Drums will be perfect. And the D Drum triggers work so well, it's crazy not to have them. We use them on all our kits. I just leave them on and when we get someone that wants to use their own kit, we have another set we use for client kits.
The one thing about drums that you have to remember is...you only get that one shot to get them right. No one is perfect. But if you have the midi of the performance, it can really help you to enhance things or fix anything that may be jacked along the way. Personally though, I'd try to copy and paste good kick hits from other parts of the song into the bad parts if you can. If there are too many, go the bitflipper route. Superior 2 will handle the kick drum perfectly.
-Danny