Instead of the Peli 1610, I'd recommend the Storm im2720 (Peli actually bought Storm, but they kept the lines separate). Approximately equivalent size, but I find the Storm latches to be easier on the hands than the Peli 'knuckle-busters'.

As for fit, a pair of Einstiens and Vagabond Minis should fit. I know one Einstien fits, although I don't keep it there. Here's what I do keep in my im2720: