I've found Data Bender to be more of an effect or "happy accident" machine. You can freeze the buffer and sort of navigate around it, but it's a little imprecise for honing in on specific parts of the buffer in real-time. When I've tried this, my input is already so mangled and stuttering that I wouldn't classify it as a looper, but I'm sure others have been able to use that feature more effectively. I use the 4ms Dual Looping Delay for the real-time sampling/looping thing. It's pretty much perfect for that. I'm sure there are other options that require less hp for looping, but the interface and ergonomics of the DLD are great.