i don't think thats the case here. the rumors you were reading are not about a refresh, just mere bto options, so you'll be able to purchase these new sandy bridge processors (2.4 and 2.5) as bto options, the same thing happened last year and thats not a refresh, just added bto options...
i also wait for the redesigned mbp without superdrive, and i think that redesign will happen in march/april of 2012 when ivy bridge becomes available, im 90 percent sure about it, but apple can always surprise us...
so the bottom line, if they add bto options in november the redesign will be in march/april timeframe, but theres another possibility, they could release a redesign with sandy bridge (2.4 and 2.5) in the following months but thats highly unlikely, they will most definitely wait for ivy bridge and then we'll get our keynote 😉
by redesign i mean the absence of superdrive, different design (probably macbook air style), instant on, ssd standard (those ssd blades), maybe an additional hdd, usb 3.0, radeon hd7000, and maybe ips (better screens) and longer battery life...
at the last mac keynote they sad that the macbook air is the future of notebooks, so im basing my expectations on that, and a couple of rumors about a 15 and 17 inch air-like macbook pro