It doesn't help that IE's propogated the confusion by measuring its speeds in bytes. Technically, bandwidth is supposed to be measured in bits, and storage should be measured in bytes. Most developers these days tend to ignore those conventions completely.
And don't get me started on the 1024K vs 1000K megabyte issue.
i get 6220 down and 940 up give or take a few on a regular basis. i use a linksys cable modem which optimumonline doesnt even give firmware updates for lol im pretty happy with the speed even though i heard the SB4200 or whatever is faster.
That's all well and good, but the downside of it is that all Aussie broadband ISPs are metered. I'm really gonna miss my flash American cable connection when I move out into the Oz countryside. There's ADSL in my neck of WA, and thankfully WestNet has thrown their hat into the ring, so I'll at least have half-way decent service without having to sell a kidney (Telstra's DSL services in rural WA is the biggest rip-off I've ever seen).
I had a connection that topped out over 3Mbps until @Home folded -- Comcast has capped my downstream in half. Still the same ol' 128K upstream, but that's not much drama.