Are you speaking about the RO-90, George? It's kinda interesting that for the longest time I've been "more skeptical" of that particular sander being something that might be useful to me. A recent video by Sedge "fixed" that point of view as I learned a number of things about it that I didn't know. The fact that it can be used as an effective orbital into corners greatly raises my interest because the smaller format would normally get less use for typical projects I do. So doubling as a detail sander is a big plus.
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The most expensive tool is the one you buy "cheaply" and often...