Cool find, I hope you client is happy with it!
I'm an Ibanez fanboi, but I usually stick to basic colors (although if I came across a swirl at the right price...). I'm not a fan of the TRS trem on those older 400 series, I'm sure it's fine if set up properly but if I'm buying for myself I go for the 500+ series (MIJ) with the Edge trems. I hate that the Edge Zeroes are being used on some of the higher end models now, I've not used one, but I know they don't have a hardened plate for the saddle screws to go in so I imagine they will strip fairly easily when adjusting intonation.