Just before I went on holiday my traffic was becoming quite impressive (well, so the guys at Blogware were telling me) and then it dropped 50% while I was away. The drop was kind of strange as it wasn’t a gradual decline - it dropped 50% overnight. I was expecting a gradual decline as [...]

Check out this podcast with some useful tips-well worth a listen.  Some highlights:

recommends 3 posts per week as a starting schedule and once a rhythm is established up it to 4 or 5 times per week
too many posts can overwhelm your reader and create an unfocussed blog
break up the length of the posts
How frequently [...]

Such a small change, but one that could make a big difference to the amount of traffic received from search engines.  Most search engines truncate the page title on their results.  So with blogware pages, sometimes the actual article on your blog that matches the search query entered isn't visible - only the blog name.  [...]

Found this site while I was messing around with blogexplosion which contains a very detailed site for increasing blog traffic.
It's the first MSN spaces site I've visited….do they all have the MSN look & feel?