Need opinion on a ST120 RAW with TSS vs a ST120

I need opinion and experience from Timbersleder (if I can call it this way).

I have a 2014 KTM 450SXF Factory Edition and I'm seriously thinking about snowbiking this winter.

I initially when't to my dealer to get information about the ST120 RAW because of the great price they have on them. But the guy told me the suspension will be far from the normal ST120 in term of ride quality and adjustability. He also told me the lack of pivoting arm will be a big disadvantage.

He also told me the TSS fit kit is wonderful and completely change the way the snowbike turn and enhance the suspension a lot.

My local dealer have a used, 12 hours, 2015 Timbersled ST120 and a TSS rear shock fit kit that they can also sell separately.
6400$ CAN for the ST120, with the fit kit (seems a bit high to me)
900$ CAN for the TSS
5400$ CAN for the ST120 RAW, plus the fit kit witch is 400$

They will bring the used kit from the warehouse this week so I can see the condition and will try to get a better price but for now those are the price they gave me.

I can't buy the ST120 and a TSS but with the Raw I could probably save enough to buy the TSS. So what combo do you think should be the best? That's a luxury so I will not borrow money to pay the kit, making it even more a difficult choice :juggle:

I forgot to say I know I will need to open/cut my airbox, add a Outerwear on the air filter for the snow and a Thermo Bob thermostat kit for the cooling system. Anything else?