Yep. PR2 produces a 24bit file when set to record two channels / stereo (even though it really only provides performance specs equivalent to around 16bits)
For 32-bit float stereo, there's just the Zoom H1 Essential, and soon the new Tascam?
As far as the category of small, 2ch only, 32bit-fp recorders goes, there are currently a few different models offered from Zoom I believe. The Zoom F3 was one of the earliest and I believe still has the best specs.. other than MixPre3ii which is larger (especially compared to PR2), which is the smallest recorder SoundDevices offers currently. We are very likely to see more small recorders show up in this category.
Edit to add- Will be interesting to see how good the new Tascam is, but we know it will feature XLR inputs just like F3 and H1E so no question it is going to be significantly larger than PR2. Hopefully Tascam is able to produce a small 32bit float recorder with input range specs that are at least equivalent to the old non-XLR input DR2d, first produced 14 years ago. Sad that newer manufacturers don't seem able to match much less surpass that in a similarly priced recorder today.
PR-2 is somewhat unique in its combination of featuring minijack input only (making it much smaller than it could otherwise be if it had XLR inputs) and providing 5V mic power. The attraction for most folks following this thread is the combination of those two features.