I converted a '79 Civic from 4x120 to 4x100. I don't remember much about the Accord suspension, but I know to do the Civic I needed a spindle from a 1st gen Civic Wagon (because they use the Accord calipers). But since your spindles take the same calipers, you might not have to change your spindles.

All you'll need to is drill your wheelbearing seals to use countersunk bolts. Then you can press in EF hubs and outer CV's. Then you can use any Honda 4x100 caliper/rotor combo you want.

I could be wrong, someone on the forums should be able to verify. The rear is super easy. Just grind your old wheel studs off flush with the face of the drum. Then get a machine shop to drill 4x100 on your drums, and punch in new wheel studs.

The hardest part of the conversion is getting the axles apart. But even that isn't too bad.