Back in 2008 I blogged about some of the materials being made available online at State Papers Online.
At that stage, only Part I was accessible, with plans for Part II to be available in 2009. Well, they've got part II on the site now, and have announced plans for 2010 and 2011:
Coming soon in 2010State Papers Online Part III: The Stuarts, James I to Anne, 1603-1713, State Papers Domestic
Coming in 2011
State Papers Online Part IV:The Stuarts, James I to Anne, 1603-1713, State Papers Foreign, Ireland and Acts of Privy Council
Might be of interest to any Tudor-loving historians out there, although the Stuart-loving ones will have to wait a wee bit yet :)
Although I have to admit to being somewhat stumped as to what it costs...no option for individual subscriptions, and you have to contact them to request pricing as an institution, or a trial...