Lukas wrote:
> It is definitely not an issue of OB, but an issue of the extensions
> that people load with OB.
>
> If you try the Seaside One Click image you will notice that OB is only
> marginally slower than the old browser.

Some supporting numbers:
> [ToolSet default browse: Behavior selector: nil] timeToRun.
3869 Pharo 10342
2962 Pharo 10292
1767 Pharo 10243
1410 Pharo 10074
670 Pharo 0.1-PolymorphTT (Non OB)
560 Seaside-2.8-578 (OB)
395 3.9-7067dev (non-OB Package browser)

2GHz core duo/XP

Stephan