If you use a Mac you can still take advantage of NWIMS Hosted Exchange. NWIMS provide Hosted Exchange for a large number of Mac based companies and our experience in supporting this community is second to none. NWIMS Hosted Desktop enables all users in the company to access their email no matter what platform they are working on.
The NWIMS Hosted Exchange platform works natively with Snow Leopard.
Please register your interest with NWIMS for your own Hosted Exchange.