To the orignial poster.
If you are going onto ATPL's get a CRP5 you can get them on ebay or buy direct from pooleys.
The electronic thingy is nice but won't help you in your training.
After the ppl stage you will use it in theory exams and thats about it. Once commercial you proberly won't use it again unless your car window is iced up and you need something to scrape it with and the previous CD case which was acting as your scraper has given up the ghost.