Painting out of a 5 gallon bucket with a screen and a roller extension, abo ut 35 minutes from cut in to roll out one coat. 20 - 25 minutes to cut in d ue to the grooves, and cutting along each side up to a contrasting trim and up against the soffits, and 10 minutes to wall out over a primed surface.
Load the brush/roller correctly (evenly) and apply quickly to your surfaces and you can apply a lot of material to the surface and spread it out rathe r than reloading. When I paint siding grooves, the paint drip is running d own the groove in front of the brush for about a foot. I go half way down on one load, then go over it ONE time to smooth out the paint. Load the br ush once more and I have the groove in 4 or so strokes with two brush loads .
I get several jobs out of a my roller covers and it isn't unusual for me to have them for a year. I use the cheap green nap crap rollers when I have a job that is a one off for a landlord that has a paint that is difficult t o clean. Brown paints, red paints, etc., can be hard to get completely out of a roller, so those are my single job roller covers. More importantly I don't want to be constantly buying roller covers. That being said, I buy moderate quality covers for my guys as I don't want a guy making $15 an hou r cleaning a $4 roller cover for 15 minutes to get it really clean. I buy the good ones for me as I can make business calls using my headset while cl eaning.
Gotcha! Another reason to have that 5 gallon bucket with a lid. It's a sy stem. You are finished painting for the day, so you put the lid on it to s ecure the remaining paint. Or clean it out and let it dry so you can store your dried roller covers and rollers later. With the lid on it, you can si t on it while you are cleaning your rollers, brushes, etc.
Don't know about an online review but I can tell you there is a big differe nce. Mostly in durability and their ability to load paint. The cheapies d on't lay out the product as well, they tend to lose their nap fibers in thi ck paints or some of the ammonia laden paints (those are the mold control p aints). And when they don't hold as much paint, they require more frequent loading which means added time on the project. It doesn't sound like much, but if they hold 25% less paint then it adds a lot to a guy painting with one of those all day long.
You could come back here, start a new thread and post the results of your e xperimentation. That and the driveway sweeper nozzle are /great/ inexpensi ve prep and cleaning tools.
Robert