W510 Drivers

New (2.08) drivers seem to have appeared on the acer support web site for the W510 with the usual documentation. Does anyone know how they are different from the earlier ones ? (2.04 is still on site).

 

Also BIOS download (1.51_A_A) from 1/10 is slightly larger than the file with the same name I just downloadeed (2/18) is there a difference ? (configuration management is a good thing but the so are change documentation and checksums)

 

For example what is the difference between BIOS_PR5_V1.51_Cap24_EC_A26_Touch_29AA_s.bin (1/29/13)
and BIOS_PR5_V1.51_EC_A24_Touch_29AA_s.bin (12/21/12) ? YWTK

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