But yes as it is now.. missiles are GREAT in jousting... so far that you can see half missile/half guns ships do great.
But a bit less great otherwise...
increasing their speeds does make them better in both which means they will be too good inmho.
The more agile missiles (firestalkers/sidewinders) actually hit ships that are dodging away in one direction - kind off running away. Only if he changes direction >90 they stop tracking. That is the thing that could be improved, but I don't think it's possible.
Another very deadly combination that works even when not jousting is exploding your own missiles with a CD when they come close to target.
EDIT: Yes I forgot they they should just explode close to the target... the missiles tracking all nicely and missing the target like 1/8 of the ship size away are simply irritating - hence why the CD tactic works so well.
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Mines don't need speed... as you said yourself they tend to "switch target" quite often. Too high speed will make them just switch to you-him-NPCs-you-him... much faster I think.
For me it would actually make more sense to make them a bit more stationary.
They are great-to-uber weapons as they are now... no need to upgrade.
Igiss says: Martin, you give them a finger, they bite off your arm.