It'll be interesting to see if the differences between falcon and peregrine are so significant that you can't swap ROMs between the two with some adjustments.
Of course they won't work out of the box, the modem hardware is different. And there's the external SD card. But if the remainder of the partition layout is the same, it shouldn't be too hard to support both trees at once.
As long as the threads are tagged properly this is a non-issue IMO. (See US and Canadian variant coexisting like the T889/T889V and I317/I317M.) They could also make a subforum like they have for other devices such as the Galaxy Ace S5830/S5830i or the Note II N7100/N7105
My phones: Galaxy Note II SGH-T889V (with LTE enabled
/ ext4 SD card support on TouchWiz ROMs
), Motorola XT-1045 Moto G LTE (TWRP
Previous phones: Nexus S GT-I9020A, Galaxy Gio GT-S5660M (Arpeggiomod ROM
/ Discussion, stock rooted ROM
), Motorola XT-1032 Moto G.
Phones for which I play "tech support" for family and friends: Galaxy Nexus GT-I9250, Galaxy Q SGH-T589R, Galaxy 551 GT-I5510M, LG C-800G Eclypse, Motorola XT-1032 Moto G