slavi.yordanov said:
... But OP is asking for a drill that can handle all kinds of projects during a house remodel. ...
And that would be a fundamentally wrong question ref. CXS. New or old.
In theory, the TPC 18 would be the "universal" one. But it is STILL the wrong answer as there is a huge difference in "can be used for" and "is a good idea to use for".
All I wanted to emhasize that, based on
your requirements, you should probably have never looked at the original CXS series to begin. It is a unique tool in the priorities which were put atop in its design 30 years ago. Mind you, the CXS abtteries are fully compatible with its predecessors which were on the market before even the concept of a "battery platform" existed. Most other toomakers switched 5-6 "platforms" in the tools of the CXS semblance.
Basically, the moment you start comparing the original CXS with *anything* else on the market, you are already asking the wrong question. It is one of those tools you either absolutely WANT or they are absolutely useless for you with pretty much nothing in between. An 1950s cruiser you can buy anew in the time of Tesla cars ... if you want it, you just want it and you know it. If not, it is completely pointless to even think about.
If you see the depth and power as "faults" you are looking at it completely wrong. They are the price to pay for a light, smooth, quiet and supper-controllable driver.
The "new" CXS 12/18 series are the living proof why the CXS was not updated for so long. The tech simply did not and does not allow to signifficanly improve on the original analogue mechano-electric design without compromising on ergonomy. We suspect that here on this forum many time. Not the suspicion was confirmed 100%. One just cannot have all three of ergonomy, size and power. At least one of the three needs to give in.
CXS 10.8, the "power" and (partially) the size gave in to ergonomy.
In the C12 Li, the "size" gave in.
In the CXS18 the "ergonomy" had to give in.
These three are actually 3 different tools in their focus/niche and "comparing" them beyond observing these focus differences is just pointless. It is like telling someone that his 911 is a not a good truck .. Yeah! Indeed it is not!
The same way a CXS 10.8 is not a "good drill" ... Indeed! It is but a driver which can drill when in a pinch.
As for the OP, the original question was if "original" CXS for a discount or a "new one with the assumption the new one maybe can be used as a universal drill. There the simple answer is, the new one cannot be used as such - one still needs a proper drill - hence there is no point getting it. While getting the original CXS still makes sense simply because of how unique it is - if fitting ones usage/preferences.
If someone asked
me for a Festool option, I would unequivocally say that the TPC 18 + CXS 10.8 combo is the dream choice for a hobby user. If budget is tight, then the TPC 18 only. The 3600 rpm top speed is a game changer, it has enough grunt for general work and enough finesse to screw well too.