I'll echo much the same.
RO90 is a horrible all around sander. I love mine; and wouldn't likely part with it for love, nor money. But if it were my only sander, I probably give up sanding.
Most dual, or all in one tools are usually compromises in some area. The RO sanders are no different. Optimized for heavy removal, they will do finish type work but that's not their strong suit. The compromise. They are two handed tools like Jim said. Don't forget or discount this fact. Especially when used for a final sanding or between finish coats. Especially the latter. Tilt an RO just a bit and you've prob. got a gouge in your workpiece that'll show.
If you need a heavy removal tool get an RO , but don't really count on it taking the place of a good palm finish sander. I'd suggest looking at Bosch's GET models. 90-100% of an RO at less than 50% of the cost.
![Eek! [eek]](https://www.festoolownersgroup.com/Smileys/default/eek.gif)
Pair that with an ETS125 and you've got a one two punch with money left over for sandpaper.
If you're set on FT and one sander only, I'd be looking at a ETC125EC instead of the RO. The EC is a good finish sander, will take a 6" pad for those times you have a huge surface like the wardrobe, and will still rough sand - albeit much slower than an RO. Most of all, it can be used one handed. Again a compromise, but weighted toward finishing rather than brute force like the ROs.
For spindle work , none of these are going to do you any good. You'll need a Festool LS or a SurfPrep 3x4 ray with an assort. of foam pads. The later will also allow you to do some/most work a triangle detail sander will.