I really didn't think I could get any closer of a shave than with my Merkur 34C HD, but I actually do with my new Merkur Progress Adjustable. Took me several shaves figuring the best settings for me, but found at about a 4 to 4.5 I get the best shave. I got a BBS shave with my 34c and the shave with the Progress feels the same but seems to last even longer before I start feeling stubble again. I am even comfortable skipping a shaving day and don't look like a vagabond. I recommend starting out at lower settings and "slowly" stepping it up to more aggressive settings. I think I jumped a bit too quickly and got a nice nick under my nose, but totally my fault. I also feel like the Progress bends the blades a bit more so your angle could be a bit more shallow if you are used to the 34c or other safety razors. This is my 4th razor now, yes I have R.A.D. (Razor Acquisition Disorder), and is now my favorite and go-to razor.