Selecting a Soekris

I'm going to buy a Soekris to replace my aging X20 that I've been using as gateway for 1½ years. It's running from a standard laptop drive, so I've been lucky that it has handled running continuously for that long, but I better replace it before it dies.

So, I'm thinking of something like this:

I'm in favor of just the net4801 and disk. I can always buy the VPN crypto card later if I need it.