[quote] ships can only jump to gravity wells. [/quote] You should have clarified some gravity wells are around asteroid belts and junk, so yes, you can sometimes position a fleet in a jump point that sits between planets. Otherwise no, you cant pick random coords to jump to.
The comparisons to WW1 era Naval combat are inevitable as pointed out this is what modern SCI FI space battles are (clearly) modeled on, so please stop saying Naval combat has "nothing to do with this". Perfectly rigid ships looks unnatural due to the fact we know that in space gravity and inertia (to name 2) have an effect on movement.. sitting still would likely require minor course corrections nearly constantly. This would be easy to implement, no one is asking for ships that mindles
