“Using bundler vs. gemsets?”
These can be used separately or together depending on the needs of your project. Bundler checks dependencies to make sure you have the gems that your application needs, while RVM gemsets keep your gems separate to prevent conflicts (between Rails 2 and 3, or example).
“Anyone ever see IE fall over when parsing 500 KB of JSON?”
Try explicitly using eval()
- If you have any strange, unexplained errors with RVM, try upgrading to see if it solves them.