Struggling to decide on a few movies to watch this weekend? Then you can always peruse the solid suggestions offered by Roger Ebert's ongoing Great Movies series, which is now available in convenient app form for the iPhone, iPad and iPod touch (though not optimized for iPad, unfortunately). In addition to over 300 reviews from Ace in the Hole to Yojimbo, the app offers stills and fully searchable details for each film in the series, plus links to add a movie to your Netflix queue or buy it from Amazon, and the ability to make your own lists of what you've seen and what you want to see. There's still no indication of a