I’ve been quite happy with my Tradfri Ikea bulks. Got some spread throughout the house. I did have one RGB bulk I got from AliExpress, but although it could do a whole range of colours it just didn’t have the brightness I was looking for. I haven’t tried the Phillips Hue ones though, so they might be better. I just happened to be in Ikea and spotted them, so went for it purely because of the fact I was needing some and walked past them. Had I walked past some Hue ones instead I’d probably have considered going for them instead.
I’m in this camp as well. I’ve had one motion sensor of theirs since June that supplemented an IKEA one to catch movement at a different part of my hallway and had no real problems with it. I ordered another couple recently as well and put one in my kitchen and another in my office.
I might have been seeing odd behaviour on my office one but I’ve not had time to investigate it though and I was more inclined to believe it was bad positioning than a faulty sensor.
I did notice though that if I enter the room just as the lights are turning off then the lights don’t turn back on but I just go straight to the light switch and do a quick turn off and back on again job to fix it.