Right now they're just coming up to the end of the 45 day grace period after the expiry date.
Actually, as I say that, one has just been put up for pre-release auction on DropCatch. I'm assuming that's either them trying to see if there is any...
I happened to whois a couple of domains today that my friend used to own before he let them drop a long time ago, and discovered that they were both now owned by HugeDomains. However the expiry date for both of them was around a month ago, which...