Thanks for the blog request, an area where I’m always happy to hear suggestions.
I have to say that staking is right up there with religion and politics for me as a subject I’m not generally prepared to discuss, due its very personal nature for individuals!
There is a glut of scribbling on the subject already, some of which is serviceable.
To that end, perhaps the below will be of interest – and as you say, maybe other readers have some suggestions:
[NB I can’t vouch for the quality of any of these sites!]
http://www.punterprofits.com/horse-racing/betting_staking_plan_analysis.php (this is the most technically obtuse, but also likely the best!)
Hope that’s some food for thought, at least.