yes there's two things at play here. First is that there's no HTTP caching enabled on nuget feeds, second we have to scan the whole feed, but we currently do it every time you issue a nuget-related command.
The fixes around HTTP caching is more a problem with them using odata behind the scenes, which makes planning for caching difficult because of how resources are modelled. Not something we can fix on our end.
The more reliable solution is the repository cache, which will make most queries on nuget instantanuous and may land in 2.0.3 or 2.0.4, not sure yet. It's quite close to be ready though.
Temporarily you can retrieve the packages you want and put them on an openwrap feed that you can reuse.
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From: openwra...@googlegroups.com [openwra...@googlegroups.com] on behalf of Gareth [ggbu...@gmail.com]
Sent: 04 November 2011 11:44
To: OpenWrap Development Mailing List
Subject: [openwrap-devl] adding nuget package takes ages