I recently had to make this choice as I may soon own a Proteus without a Penelope myself if none are available when Proteus is relesed... I went with purchasing a 3rd Ody instead... why you may ask is simple... I love my ODY's and could not afford to miss out on the last ODY I wil need... My ideal kit is 2 GGTS & 3 ODY because I use one GGTS with a 2 ODY rotation as my daily all day everyday and yes they are well used and have many scars but
vape like a dream... I have my spare GGTS & now 3rd ODY kept locked away and hidden should the unthinkable happen to my daily set up.... I may even hafta give up my reserved Proteus at time of release which would suck as its an awesome number but money is tight these days and nothing can top my GGTS/ODY combo....