I have seen a few but like almost all extended range guitars the upper access is ****ty. Like with this one they have [video]http://translate.google.com.au/translate?hl=en&sl=ja&u=http://www.combat-guitars.com/officialsite/lineup/megaguitar/mm350.html&prev=/search%3Fq%3DThe%2BCombat%2BMM-350%26client%3Dfirefox-a%26hs%3DZOK%26rls%3Dorg.mozilla:en-USfficial%26channel%3Dsb[/video]
No access would make a already hard instrument to play much harder.