yahoo small biz, bluehost is good and powweb ok for what you're looking for. The simplest way is probably through yahoos hosting service

try http://tinyurl.com/g3rgj they gives the IMAP email server

Midphase is a great host.

http://www.daylon.com/midphase/

250 GB webhosting, 500 gb data transfer, 2000 email id's and subdomains, and one free domain, and all this for 11$ only, best ever prices, mail at uttoransen@yahoo.com for details, there are a lot of facilities available with the plan,