I am a fan of what is affordable, functional and works well. Through the years, at different times, I have favored one or more particular brands however in the more recent years I have generally preferred to invest my money in a decent detector that provides very good in the field performance. It does not need to cost a lot.
I had two of the F44 for models and kept a 7-inch concentric on my main used detector and a 5in double D on the other. They both provided me better performance than the teknetics omegas and most of the other coin hunting detectors I had. When it gets down to Performance, the Fisher F5 provide Superior general-purpose performance than the f44.
I no longer have and f44, or an F5 or an F 75 or at2 Plus and a whole bunch of other models that I used to have in my outfit. Today, I rely on my Nokta FORS Relic w/5" DD for the ugliest iron contaminated old sites, and my two favorite Tesoro models, each with a 6-inch concentric coil, for a lot of my daily urban or rural hunting.
My primary use detectors are my Garrett Apex, with the 5X8 Ripper Double D my main use coil, an XP ORX w/5X9.5 DD, and the strongly-suggested Nokta/Makro Simplex + w/5X9.5 DD coil.
Monte