Very few comics consistently amuse me. Jack Dee used to but he's lost it. Sean Lock can be hilarious as can Rhod Gilbert. Louis CK is mostly very good, Kitson too but a bit overrated. The likes of Russell Howard, Lee Mack, John Bishop etc are truly awful
Very few female stand up comedians are funny, certainly not consistently. I've seen many of them in conversation and they can be very funny but as far as getting up on stage and being funny, no. People will laugh at them as it's rude and awkward not to but no-one believes female stand ups are...