Geeezz.... we get it HYLOURGOS. You like the damn sander. A lot.
I have this Hitachi sander and have used it for some time (years?) out on the job:
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has been dependable as hell, and has been used for everything from sanding custom display cases to (literally) sanding concrete to cut down uneven movement expansion cracks in a slab before installing flooring. I have even used it with a 80 grit belt on it to resurface metal plate before painting. Then blown out at the end of the day, it is ready to go again for the next project. I have had it so long I don't know where the dust bag is, because I never used except once or twice. Can't say about dust collection.
But for a nifty little sander that is quiet I have used the Makita 9003 (?) and it seems like nice tool. It is easy on my nail gun/saw/router/CMS ruined hearing (apparently the lack of noise is used as a selling op on this tool) and has plenty of power for woodwork. It is sturdy, lightweight, and seems to do a good job at flush sanding. I don't have one, but one of my amigos does, and he swears by it. It is a small sander for a 3X21, but with the right belts, like all these bastards you can still quickly ruin any project. Doesn't seem heavy enough to use as a utility surfacer like I use the Hitachi, but a nice tool.
If that damn Hitachi would have the decency to quit so I could get off my cheap ass and by another belt sander I think I would try that one. I like the nifty side handle they have for this so you can get just a little more control and reach.
Robert