They just came out with a desktop client. That's the good news.
They are lowering the storage to 7Gb though. If you already have Skydrive, there is a link at the top
that says it's changing and click it to claim and keep your 25Gb of storage for free or else you will lose it. Limited time too.
New and Improved SkyDrive Is a Threat to Dropbox | PCWorld Business Center