I initally wanted to recoil at devs naming a unit Lobster, but the unit is a perfect fit. A glorious troll unit. But the name does kinda impede communication (and make newbies even more confused).
It has a lot of usabilty problems though:
It fires when there is nothing to fire.
There is no command to make it fire just once. (F makes it fire all the time) Give it a D-command.
The "turret" rotates too slowly. This is really unintuitive. It should fire instantly.
Units which guard the Lobster dont stay in its throwing range.
On maps with weird gravity (like SpeedMetal) the throwing is really broken and really funny.
The Archer and Limpet buffs might not be enough. They still seem pretty bad. But I see no good way to fix them.
Amph still doesn't have great anti-cloak or anti-shield options though. The main amphs, the scallop and buoy are prime sniper targets. Shield will probably paralyze all opposition with racketeers. I would like to see buoy have more HP at the cost of projectile speed and slight cost increase, to make it more useful in team games and against shields. (1650HP, -12.5% proj. speed, 330 cost)