I do have my favorites; but, I try putting my pens into rotation every 2 to 4 weeks.
MB149 B, MB149 F, MB146 M, Pelikan M1000 F, Pelikan Sahara F, Pelikan 415 BT M, Pelikan 215 F, Aurora 88 EF, Aurora Europa M, Omas Emotica F, Lamy 2000 F, WM Edson DB M, Pilot VP F/B italic stub/M cursive italic/M italic stub, Pilot Decimo F, Pilot M90 F, and Faber Castell mechanical pencils.