Unfortunatley my Little Dot mk2 went pop last night. As I realised when Underworld came booming through the speakers at midnight... Can anyone recommend a headphone amp? I am looking to spend ~£200. I loved the sound from the Little Dot however I am moving house soon and my 2yr old seems to wish to pull the tubes so it's not the most practicle of devices! Any suggestions welcome, I'm already thinking Shiit? Thanks.