Google & WordPress

Last month I converted my site to WordPress. The previous version was quite old and just had static pages that had not been updated for a while, also I wanted to to add a blog.
The old version had a number of incoming links to the site, quite a few to the home page.
So my WordPress version has been up for about a month (same host and URL) and I have added some more links through article submissions etc. I have also added a number of psts to my blog.
On checking my Google stats today I am told there are zero links incoming (Yahoo can see 21) and in my Google Account dashboard every sections shows as no data available.
So I am a bit confused. Has everything now been reset and I just have to be patient while Google finds it all again, or is there something I need to be doing to improve the situation?
Any thoughts greatly appreciated as the whole point of the exercise was to make my site more visible.
Thanks