That's great a few people have gone with the Peak Design straps. Hope they work for you. You can blame me if they don't! (doubtful...)
Can I add something to the Peak Design Capture Pro Clip conversation. https://peakdesign.com/store/capturepro
I bought into the Capture Pro Clip system with two Capture Pro Clips and two ProPads attached to a Utility Belthttps://peakdesign.com/store/propad
This system would probably work a treat with very small, light pocket cameras but are an epic-fail with pro bodies and heavy L glass. Having used the Spider Holster system for a number of years I was in a good position to offer a real-world comparison.
For a clip based, belt mount system the Spider Pro Holster system is the very clear winner. Like drmikeinpdx says, it's fiddly and annoying getting the camera onto the clip with the Peak Design Capture Pro system . The Spider Holster system just "snicks" in. Once camera is in the belt mounted clip, the Peak Design Capture Pro is completely rigid. You might think this is good, but the rigidity is a darn nuisance if you want to sit, or squat down to take a shot with your other body, particularly if the lens/body on the belt includes a 70-200 f/2.8. By comparison, the Spider Pro Holster pin attachment allows for a little bit of "swing" which transforms the usability. They don't swing too much though. I can RUN
with two bodies/lenses on the Spider Pro belt while carrying a 1D4 with 300 f/2.8is on a monopod eg at a track & field meet.
So my clear vote for straps is very much with Peak Design, but for a belt/clip system it's still Spider Pro Holster all the way.