RO13ERTS - I too start training in September and am leaving a fairly well paid job. Reading the posts here on failure rates is worrying though, the recruitment process seems robust enough, but it sounds like even with the correct positive attitude, dedication, and ability there's still a big chance of failure.
The 10K is added pressure for some poeple (depends on personal circumstances) ie. if you have a wife, child and mortgage!! Ah well that's my little problem.
See you in September.