Not wanting to start a fight but if I paid £300+ for a locator system i wouldn't say it was crap either.
All the avalanche kit does the same thing mate, it's all on the same frequency and works pretty much the same.
What you, me or anyone else is happy with is up to them and I wouldn't try and influence you in any way.
As long as you use some sort of collar and locator, be it a Deben, Ortovox, Pieps or Barryvox makes no difference.You do the best you can for the right results.
Lets be honest, 5 year ago we were all digging ( 5 month in my case ) using Deben 15 foot kit and did