RE pools - Payments appear to be working as expected.

The reddit guide is still 100% valid
The blockchain should automatically reorganize. It will definitely happen when the v4 chain exceeds the v3 chain. If your v3 (pre-fork) chain was synced to be longer than the current v4 chain, and you're having troubles syncing the current v4 chain, use `intense-blockchain-import --pop-blocks 7500` to manually discard 7500 blocks from your chain.