Looking good mate. I've had 6 or 7 of those servos, they work brilliant! I can confirm their digitalness, I run my 3PK in HRS and it makes a weird clicky noise with analog serovs. These dont do it.

Every time I see another buggy it makes me want to do mine quicker!

I'm gonna do an XB8 soon.

Looks rather clean too. What you gonna change the motor to if you do?