Found this whilst deciing what chipset to go for........looks interesting...might be sofa 
http://www.intel.com/design/flash/nand/turbomemory/index.htm
Says ere......
Introducing a major new PC component
Intel Turbo Memory (512MB or 1GB) is a new primary PC component, along with the CPU, chipset, and system memory. It caches large amounts of frequently used data for faster access by the processor. This decreases the need for hard-disk accesses, saving both time and power, which equates to increased performance and energy efficiency.
That's good news for users who run data-intensive software like media applications. It's also a good match to the substantial system requirements to load and run Windows Vista.
Intel Turbo Memory is a single solution that accelerates data transfer both to and from the processor. Other commercially available products support only one-way data caching.
A wide spectrum of benefits
Notebooks based on Intel Centrino Duo and Intel Centrino Pro processor technology that incorporate Intel Turbo Memory gain substantial benefits:
Reduce boot time. Faster access to boot-up files lets the system start up more quickly.
Improve application responsiveness. Data coming from Intel Turbo memory instead of the hard drive increases access speed.
Accelerate application loading. Fast access by the processor to information needed to launch applications cuts lag time.
Enhance Windows Vista. Support for Windows Vista performance features like ReadyBoost*, ReadyDrive*, and SuperFetch* helps you take better advantage of the operating system.
Save energy. Pre-storing information reduces hard-disk spin time, which saves power.
and stuff.......
edit: so what do you think?

http://www.intel.com/design/flash/nand/turbomemory/index.htm
Says ere......
Introducing a major new PC component
Intel Turbo Memory (512MB or 1GB) is a new primary PC component, along with the CPU, chipset, and system memory. It caches large amounts of frequently used data for faster access by the processor. This decreases the need for hard-disk accesses, saving both time and power, which equates to increased performance and energy efficiency.
That's good news for users who run data-intensive software like media applications. It's also a good match to the substantial system requirements to load and run Windows Vista.
Intel Turbo Memory is a single solution that accelerates data transfer both to and from the processor. Other commercially available products support only one-way data caching.
A wide spectrum of benefits
Notebooks based on Intel Centrino Duo and Intel Centrino Pro processor technology that incorporate Intel Turbo Memory gain substantial benefits:
Reduce boot time. Faster access to boot-up files lets the system start up more quickly.
Improve application responsiveness. Data coming from Intel Turbo memory instead of the hard drive increases access speed.
Accelerate application loading. Fast access by the processor to information needed to launch applications cuts lag time.
Enhance Windows Vista. Support for Windows Vista performance features like ReadyBoost*, ReadyDrive*, and SuperFetch* helps you take better advantage of the operating system.
Save energy. Pre-storing information reduces hard-disk spin time, which saves power.
and stuff.......
edit: so what do you think?
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