HI EVERYONE

Here's something I have not seen many newbies ask. (<-- Heli newbie here).

Besides the obvious response time difference (.16 to .22 seconds) for regular servos and (.06 to .12) seconds for digital servos.

Is there really that much difference to run a regular servo for your tail rotor control? I've given up asking people around me because the recomendations are about 50/50. Some people say "You only need a digital servo to do 3D aerobatic flying" others say, "you need a digital servo no matter what". I'm still learning to hover. Maybe I've taken for granted comments as "you'll always be making some sort of adjustment while flying a heli". I do find myself adjusting the slight tracking of the tail most of the time. (Without any wind!) All the radio settings have been tried and the mechanic set-up is impecable. No binding what so ever. Smooth as silk.

My Rator 30 V2 came with a Futuba 3040 as the tail rotor servo. It has the Walkera G007 (WK-G007) gyro.
From 1 to 10, I would grade this set up around a 5. It's flyable and although I'm new, it just doesn't feel right.

Before I go spend $95 to $130 for a good Heli digital servo (If that alone will make a great difference) Or between $200 to $300 on a complete gyro system upgrade. What do you guys think? Digital? Keep the Standard (live with the slight tracking?) or trash the system that the previous owner called a complete gyro set-up?

Lay it on the rookie here!

Thanks guys, greatly appreciate any comments.