I'm based in London (if it matters). I've been a long-time BT Broadband user, and have scaled up to their highest home/office package, but it's still too slow especially in the evenings. So I have ...
There's a Linksys WRT54GL router with DD-WRT firmware (v23SP2). The network has a simple dual-WAN configuration (standby mode, switching by a script): ~ # ip route 192.168.3.0/24 dev br0 proto ...