we talked about doing this and we agree. heres the idea for favoured units:
Favoured units of Plague Marines, Havocs, Chosen, Possessed, and Terminators recieve a free icon when fielded at a favoured unit size, or a multiple thereof. Additionally, Plague Marines (thinking about terminators , used to be able to) may take a second special weapons choice when fielded in units of 7.
Favoured units of Plaguebearers recieve +1 to their summoning rolls when favoured.
Agreed also to drop the termies to 45 pts based on playtesting results.
Daemon prince shoudl be 5(6) for toughness also.