Look at it this way: what is more likely, that you could help the new company get started with TDD and CI, or that your current company would give you a 50% rai

Look at it this way: what is more likely, that you could help the new company get started with TDD and CI, or that your current company would give you a 50% raise and let you work with technology that you love? Consider all the dimensions, including the point mchannon made that you can always look for additional companies to work for if this new one doesn't seem like the best fit, but if you think you will be happier at the new firm, consider switching.