Here is a quick summary of the best current deals offered by Dell.  All expire by 4/17/2008.

Inspiron Desktop Deals (Expires 4/17/2008):

•  Inspiron 530 desktop (Vista) $499 (before tax, fees, shipping & handling) after $310 instant savings
•  Inspiron 530 desktop (XP) $499 (before tax, fees, shipping & handling) after $310 instant savings

Inspiron Laptop Deals (Expires 4/17/2008):

•  Save 25% on Inspiron™ laptop purchases over $999 (before tax, fees, shipping & handling) + FREE Standard Shipping!
•  Save 30% on Inspiron™ laptop purchases over $1299 (before tax, fees, shipping & handling) + FREE Standard Shipping!- LG4SRSV8S2KCV0

XPS Deals:

•  Save $400 on XPS™ 420 desktop (before tax, fees, shipping & handling) (Expires 4/17/2008)
•  Save $200 off XPS One™All-In-One Desktop + Free Standard Shipping! HURRY! Expires 4/15/08! Coupon Code: MFGV8FW9GVGDF6