SP1 is worth it, but the download might not be You can get it free from Microsoft (links on this site if you look) or it'll be on the cover of various mags - Personal Computer Weekly had it last month, and think thats the copy thats still in the shops.
the 130 mb download is the full version. there' the express version which is customized according to the computer spec which is why you got a 30 mb download. for me it was a 40mb download including ie sp1 and took about 2 hours.
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