I ordered a stock 1.25GHz 15" Al PB with 2X 256M RAM from the Apple Store (by phone) on 9-16 (Tuesday) at 11AM. It was deleivered by Airborne yesterday (Monday 9-22) at noon. Great work Apple!!!'

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I ordered 2X 512 MB RAM sets from
www.4allmemory.com (512MB DDR333, PC2700, SODIMM $114) also on 9-16. They shipped the memory the same day.
I installed the memory and now have 1024MB of RAM showing in "About this Mac". Note: installing the 2 membory sets is a bit "tricky". The lower set has to put in at a shallow angle, underneath some black plastic strips that hold the upper set. Took about 10 minutes to replace the RAM. You need a very small Philips screwdriver to take off the RAM cover.
The new PB is cooler than my 667 15" TiPB. The screen seems to be brighter as well.
I am happy with the new keyboard, and the PB is quiet in all functions. This upgrade was well worth waiting for.