Hi Mohammed,
Try this Compaq BOX (Economical and Efficient)
Compaq ML 370 G3/G4
Dual XEON Processor
Expandable upto 24 GB RAM
Internal Raid Card + External RAID Box Support
It rocks for medium or higher medium companies.
>Can some please suggest what should be ideal confugration of the IMB server. for .net erp application and SQL Server as database