Yeah, since the introduction of the EC things have gotten more confusing/varied. Depends on the work you plan on doing. Let me just share my sander buying experience to give some perspective:
My first Festool sander was the RO150, because I wanted a single, all around sander. Rotex worked great for that. Plus it's massive stripping capabilities. But having become addicted to the dust collection of the RO150, I realized my quarter sheet Dewalt finish sander was no longer gonna cut it for the edge work I had to do. So my next purchase was the RTS400 in order to do edges, quickly followed by the RO90 so I could do corners, face frame and a lot of contour sanding, which it excels at doing with the interface pad. (I'm neglecting to mention the LS130, which was actually my first for some moulding projects, but we'll leave that aside for the moment). I'm basically covered at this point, but then I noticed that the RO150 was sometimes too aggressive on veneered surfaces (and I didn't have patience to use the RTS400 or the RO90 on it), and also wasn't giving me the kind of finish I was looking for at super high grits (800 and above) , so I ended up getting the ETS 150/3.
Now I'm really set. But then Festool released the ETS-EC 150/5. Picked it up, and realized that this was the sander I had been looking for all along -- very aggressive (even more so than the RO150 in random orbit mode) but easy to handle.
Bottom line -- if I were to start from the top, the ETS 150/5 is definitely my most used sander, and the one I would part with last. After that it's a toss-up, but from the perspective of filling the gaps, an orbital sander like the RTS or DTS400 might be most useful, since they handle edges and corners.
I would only go 125 if I were going to be doing a lot of vertical or overhead sanding. It has 50% less surface area on the pad than the 150, plus a smaller stroke than the 5mm.
DiscoStu said:
I'm very confused. I am quite keen on getting a Festool sander but can't work out if I want / need a Rotex, a ETC or ETS!
I am. It keen on sanding so would like it to be quick and efficient. To me the Rotex seems to offer the best of both? But what about the ETC and ETS - any reason to buy these over the Rotex?
I am thinking 125mm as the size as that's why I have at the moment and I like that size.
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