0-2 heavy support
Choose one of the following.
Edit that doesn't work, makes it look like 0-2 for the whole army.
Instead
Heavy support
Choose 0-2 of the following options.
Furious dreds - I've come round to the view its better to write 'two power fist, +2MWCC attacks' rather than 2xpower fists, +1MWCC
You have called attack bikes assault bikes, generally the names should match for upgrades and upgrade options.
Death company. 1 per 1000 is very awkward. Why not just have to 0-1 or 1 death company choice for either a fixed size (if 0-1) or variable but not based on any army size?
Failing that 2 added per 2000 points or part thereof would be a lot better (so 4 in the average game!).
Currently at size three it just means the only option is in a thunderhawk with a bike formation.
Edit - sorry just realised its 1 plus

Its not armeggedon and if you want to make the BA a bit harsher making it 4 thunderbolts for 300 is tough. Though saying that I'm not sure with an assault army being low activation.
Another thing you can do to make life harder (if you want) is to add the hunter into your heavy support selection.
Dreadnought wise do you think its an idea to drop the assault dreadnought as the furious takes its place?
Whats the reason for the 600 point mechanised terminator formation? Think it can be that cheap? Not worried about air assaulting it or taking 3 formations in a list?
(Still think the crusader is a better choice for an assault list, especially as you can add vindicators and baals to a formation already.)
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