After installing.NET3.5 SP1 andupdates for a setof known application compatibility issues, the speed for SW2009 wasequal to SW2008 with Puncholder test. It was before about 10 s.slower.

Vista 64 Business / Core 2 Duo E7300 / 8 Gb / FX570
2008 SP5.0:
- 132 s. / 2,66 GHz
2009 SP1.0:
- 132 s. / 2,66 GHz

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Installed also DirectX and JavaRE but suppose that the improvementfor SW2009 was because of .NET 3.5 SP1.SolidworksAdministration