Sounds similar to me, although I've already got 43 Mega SIDIs. When I used the Specialized heat-reactive foot matt thing, I was definitely a ++ type foot, but there just wasn't room for my foot and the footbed in my SIDIs. At the bike fitting I had a + footbed put in instead, which is much better. Still not perfect, but better.
Sounds similar to me, although I've already got 43 Mega SIDIs. When I used the Specialized heat-reactive foot matt thing, I was definitely a ++ type foot, but there just wasn't room for my foot and the footbed in my SIDIs. At the bike fitting I had a + footbed put in instead, which is much better. Still not perfect, but better.