Hi Jay,
No she did not see the 3200. I did see it and auditioned it next to the 3100. Good to know the 3200 and EP500 are about the same size (I never really compared the physical specs).
From my wife's perspective she'll have seen the smaller sub in a large room then at home she'll be presented with a larger sub in a small room, hence the anticipated reaction. In reality she'll bug me for fun but let's face it - she's on board with building a dedicated HT from scratch with all new equipment - she'll be fine! (Famous last words?)

Dan
On-Wall M5HP LCR, QS8 & EP500 in 7.1