I will comment from a different point of view....
I'm coming from the days of super sounding, beautiful Thomas and Yamaha organs. I don't sing, play for $$ for homes or dance party's....I play for the fun and to entertain family/friends.

If Yamaha was still selling TOTL Electones here in US I would have one, not an arranger. Don't need portability, vocalizer ect.
BUT what I do need/want is very top of the line features/sounds. When I play I want the sounds to be superb as this is what makes it fun. I play mostly slower types of music vs dance so it matters what each note sounds like. I use a lot of orchestrial voices. I play the stuff like that's on Dish channel 973(easy instumentals).

Yep, I'm one of those old fogy organ players that likes really good sound. So the arranger is all I have to choose from. I add a second keyboard and pedals. Yamaha pulled the organs out of the US & Europe, Lowry is OK, but very expensive, and the sounds are just OK. (By the way Lowry is, I'm told doing quite well selling organs in US and Europe)

I had a T2, then a PA2XPRO...not bad but not what I wanted....I have spent lot's of time listening to T5 demos and I think it will be a good choice for what I want. They really have the sounds nailed. The new ensemble feature is absolutely awesome for a lot of what I like.

So, for me the answer to the question is NO, I would not be satisfied...because each new one is better in the areas that I care about, SOUND.

Lee