Exhibit 23.4


                       CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the use in this Registration Statement on Form S-1 of our
report dated December 20, 2001 relating to the financial statements of
Simplexity, Inc., which appear in such Registration Statement. We also consent
to the reference to us under the heading "Experts" in such Registration
Statement.

/s/ PricewaterhouseCoopers LLP

McLean, Virginia
October 29, 2002