Interesting, but not good on siege maps, when fades decide of winning the game most of the times. I think this fade can look like that but should not be stronger, it would unbalance the game unreasonably (or You will have to give marines bfg10k to kill it).
This is perfect on COMBAT, it would be really fun to hunt such a thing

We would also need maxlvl 12 or 13 (more ruins the game, aliens too strong) for that, combat can be really fun then... But I think we should save all this for the second server where only custom co_ maps would be avaiable (again, if You need any help with this recompilance or thatever is delaying the server launch, say it), and when we do it, remove co_blackmesa from alien-breeder 1 because it is really confusing, we shall divide the siege and the custom cO_ on two servers IMHO.
This can be a long discussion