Must say I do agree with you as Im sure most others do with regards to the Prob30 Prob 40 lark which I do largely ignore and I do definately intend on doing an IMCr in fact I would do the IR if it wasnt so damned expensive like everything else aviation in the UK.
On the weather side of things I would like to be much more skilled at interpreting weather using pressure charts, precipitation radar along with forms F214 and F215.
also
In the air:- Ideally proficient at recognising all cloud types and associated hazards, such as icing and turbulence.
Whilst as a licence holder I have obviously demonstrated the above before, I would certainly like to be more proficient at it.