I don't understand the insistence on building "beautiful" emails. I'm not the kind of person to insist on text-only e-mail, but I do think it's ridiculous to spend lots of time and money making e-mails that look like fully-fledged Web documents. Either your message does have some useful information for the reader, in which case say that and then get out of my way, or it doesn't , in which case you're a spammer. There…
Virtually all email clients support html since a decade and the expectations user have todays have changed.
To put it differently, it looks unprofessional.