Ok, I am bitching, but deep inside I am still a big fan of Gmail. Especially since one of the only drawback of the system has been removed: Yep, it is now possible to change the “From:” field of an email. It is therefore also possible to consolidate all your email accounts (Gmail or otherwise) into one great interface. And of course, you can also specify a “Reply-to” address per account or keep the responses going to the main account. This just makes it harder for me to use something else. And to top everything, they verify the addresses you add, so that Gmail does not become spammers’ heaven. Brilliant.
Step-by-step how-to in Gmail help section.