Connectivity is solid as a rock.
(I have also set random static ips and a subnet of 255.255.255.0) - But I did this before the 6.0.1 update - I dont know if it is still neccesary with new ios - Will test..
Anyway, all is good, this setup works 100% =)
EDIT: ok, looks like it also works over dhcp - but it takes a lot longer to connect and, not that it matters but the wifi symbol is not visible on the ipad.
I am going back to static ips... its a lot quicker

have fun ! =)