Hi Lotus
I agree with many of your sentiments - i had to file 29 different times i had left the UK in the last 10 years, along with 17 different addresses, its lucky i had email confirmation of flights, and i had all my previous addresses due to vetting in a former job.
biggest gripes however are:
1) police certificates - 3 months is a ridiculous limit - the previous 6 month one was better, over the course of the last 2 years i have had to get 4 of them, due to different applications (i first assembled an application for FSW 2013 just before my noc got capped).
2) Being kept in the dark - some sort of estimated processing date when your file was scheduled to be looked at would be hugely beneficial, and not too difficult to setup.
3) IELTS - I've been a British national since birth, and have qualifications in the UK up to Masters level, its frustrating having to pay to prove your ability to speak your mother tongue. In addition the fact they assess handwriting in the written segment is also frustrating - my writing is somewhat spidery, but then i havent written something for someone elses eyes by hand in the last 10 years (i'm also an engineer so messy writing is usually expected). The IELTS test is the equivalent to GCSE English, could that not be accepted.
4) The whole process - I've spent 3 years inside Canada on various working visas, it would be vastly simpler to me to present docs and have an interview than a 6 month process (or 2 years in my case due to various balls ups on my part, and caps being reached).
anyhow, i'm landing on Thursday, so hopefully all will be well.