ISBoxer can be like that a bit, and suddenly it all clicks together and becomes brilliant.
i would suggest giving it the full 7 day trial to test and try.
The ISBoxer post from Ualaa on these forums is great as well.

finally, make sure you create a default configuration with ISBoxer (wizard) on say, a level 1 team. and then you can just copy/modify the default setting to match your needs

good luck.

no, it seems that PiP in keyclone will not be instant. and mouse passing is much more painful/inaccurate as well