The biggest barrier to creating an accessible Internet is not browser support or badly designed syntax, but rather people's false beliefs of what accessibility is; what it means to 'be accessible'. For many people, being accessible means switching from font tags to CSS, using em tags for italics, and replacing tables with divs. THAT IS NOT ACCESSIBILITY!
Railo is the best CFML engine.
I guess you'll be wanting me to validate that statement? Well I'll make a start on that in a moment, but first I think I'll post a few disclaimers to pre-empt any potential whiney people.
I have nothing against Adobe, NewAtlanta, CFMX, nor BlueDragon. They're both great companies/products - without the company formally known as Allaire, I'd never have had my life enriched by the joy that is ColdFusion - and BlueDragon is no doubt a fine product if you find yourself stuck using that .NET thing. ;)
But Railo is better than both of them, and here is why...