I just hit a great Ebay sale and got Cole's Language and Science for next year for $13!
MMMMMMmmm nice LOL
It's not trendy curriculum but I've used both publishers for a few years.
Both have plenty of 'tie ins' for other subjects and expermints or projects to do. I recommend both Scott Foreman and Hartcourt. They aren't trendy or fancy but they do a solid job. 8)