I was reading up on Intel's new processor technology today.
Via http://www.bit-tech.net/columns/2006/07/20/dont_upgrade_now_quad_core_is_coming_soon/:
So, Intel has just launched its new dual-core processors based on the Core microarchitecture, and they are set to be replaced by quad-core processors at the end of this year. This announcement will make Intel's Core 2 Duo processors obsolete before they've even had the chance to really penetrate the market in any substantial volumes.
...
"It now appears to make little sense to spend money on a Core 2 Duo too, unless you're planning on using the chip as a stop gap."
...
AMD says that you will be able to upgrade from two dual-core processors to a pair of quad-core processors when they launch. However, current reports suggest that AMD's quad-core architecture isn't due to launch until mid-2007.
...
Core 2 Duo will go on sale next week and if you are looking to build a system now, you should look no further than Intel's new processors as a starting point. However, with Kentsfield looking like a drop-in replacement, it might be worth making a conservative upgrade now in readiness for quad-core.
So this got me wanting more reading. Got a nice list here - with some useful, in depth (reasonably!) documents.
Presentations/Whitepapers/Datasheets of Interest
http://idfemea.intel.com/2006/cairo/download/DE03.pdf
http://idfemea.intel.com/moscow/download/keynotes_and_tis/Shukla_eng.pdf
http://idfemea.intel.com/2006/cairo/download/MOB02.pdf
http://www.intel.com/performance/resources/briefs/mobiletechnology.pdf
http://download.intel.com/design/mobile/datashts/30922104.pdf
http://developer.intel.com/technology/itj/2006/volume10issue02/art01_Intro_to_Core_Duo/vol10_art01.pdf
Printables
http://pc.watch.impress.co.jp/docs/2006/0531/kaigai274_3.pdf (mobile roadmap, June 2006)
http://pc.watch.impress.co.jp/docs/2006/0531/kaigai274_1.pdf (desktop roadmap, June 2006)
It should be easy to search for updated version of these using Google (when available):
"filetype:pdf site:pc.watch.impress.co.jp" followed by "desktop" or "laptop".
IBM T-Series Model List
http://www5.pc.ibm.com/us/products.nsf/0/01926a87ea92789a8725701e00105406
http://www5.pc.ibm.com/ap/me.nsf/webdocs-L/Personal+Systems+Reference:ThinkPad+Notebooks:English/$FILE/tabook.pdf
ftp://ftp.software.ibm.com/pc/pcinstitute/psref/tawbook.pdf (2000-2005 Withdrawn reference list)
ftp://ftp.software.ibm.com/pc/pcinstitute/psref/tabook.pdf (Current reference list)
ThinkCenter Desktops Reference
http://www5.pc.ibm.com/ap/me.nsf/webdocs-L/Personal+Systems+Reference:ThinkCentre+Desktops:English/$FILE/tcbook.pdf#search=%22psref%20site%3Aibm.com%22