It's been rumored for a while that JPII's second miracle was in the bag. According to Rocco Palma, it's not just him, but John XXIII as well.
This isn't just a big deal because we'd be looking at two new saints, which is always significant. Historically, this is an extraordinary bit of news. Consider that there is only one canonized pope of the last century, namely, St. Pius X. Before that, you're going all the way back to St. Pius V to find one.
Once you get out of the patristic age, it just doesn't happen a lot.
History-making type stuff.