HP has published an overview of their expertise and offering for Exchange 2007. They should also have a precriptive architecture guide for running Exchange 2007 on the new blade servers very soon. Overview Guide (you may notice a familar name on the top of page 3 ): http://h71028.www7.hp.com/ERC/downloads...
HP is offering a pretty trade-in program to get companies to x64 capable servers. Discounts range from 1-25% off list price. Qualified trade-in servers include any HP e3000, Sun UNIX, Intel-based, or AMD-based HP/Compaq or competitor servers with processor speeds ranging from 486 to Pentium 300MHz and...