<PAGE>

                                                        PARTNERSHIP EXHIBIT 24.3



                        CENTEX DEVELOPMENT COMPANY, L.P.

                                POWER OF ATTORNEY


         THE UNDERSIGNED hereby constitutes and appoints Stephen M. Weinberg,
with full power of substitution in the premises, as the undersigned's true and
lawful agent and attorney-in-fact (the "Attorney-in-Fact"), with full power and
authority in the name and on behalf of the undersigned, in his capacity as a
Director of 3333 Development Corporation, General Partner of Centex Development
Company, L.P. (the "Company"), to execute and file with the Securities and
Exchange Commission the Company's Annual Report on Form 10-K for the Company's
fiscal year ended March 31, 2003, together with any and all amendments thereto.

         This Power of Attorney and all authority granted and conferred hereby
shall continue indefinitely and, unless waived by the Attorney-in-Fact, may not
be revoked until the Attorney-in-Fact has received five days' written notice of
such revocation.

         IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney
the 21st day of May, 2003.


                                         /s/ JOSIAH O. LOW, III
                                         ---------------------------------------
                                         Josiah O. Low, III
                                         Director
                                         3333 Development Corporation,
                                         General Partner of
                                         Centex Development Company, L.P.




<PAGE>



                        CENTEX DEVELOPMENT COMPANY, L.P.

                                POWER OF ATTORNEY


         THE UNDERSIGNED hereby constitutes and appoints Stephen M. Weinberg,
with full power of substitution in the premises, as the undersigned's true and
lawful agent and attorney-in-fact (the "Attorney-in-Fact"), with full power and
authority in the name and on behalf of the undersigned, in his capacity as a
Director of 3333 Development Corporation, General Partner of Centex Development
Company, L.P. (the "Company"), to execute and file with the Securities and
Exchange Commission the Company's Annual Report on Form 10-K for the Company's
fiscal year ended March 31, 2003, together with any and all amendments thereto.

         This Power of Attorney and all authority granted and conferred hereby
shall continue indefinitely and, unless waived by the Attorney-in-Fact, may not
be revoked until the Attorney-in-Fact has received five days' written notice of
such revocation.

         IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney
the 21st day of May, 2003.


                                         /s/ DAVID M. SHERER
                                         ---------------------------------------
                                         David M. Sherer
                                         Director
                                         3333 Development Corporation,
                                         General Partner of
                                         Centex Development Company, L.P.




<PAGE>



                        CENTEX DEVELOPMENT COMPANY, L.P.

                                POWER OF ATTORNEY


         THE UNDERSIGNED hereby constitutes and appoints Stephen M. Weinberg,
with full power of substitution in the premises, as the undersigned's true and
lawful agent and attorney-in-fact (the "Attorney-in-Fact"), with full power and
authority in the name and on behalf of the undersigned, in his capacity as a
Director of 3333 Development Corporation, General Partner of Centex Development
Company, L.P. (the "Company"), to execute and file with the Securities and
Exchange Commission the Company's Annual Report on Form 10-K for the Company's
fiscal year ended March 31, 2003, together with any and all amendments thereto.

         This Power of Attorney and all authority granted and conferred hereby
shall continue indefinitely and, unless waived by the Attorney-in-Fact, may not
be revoked until the Attorney-in-Fact has received five days' written notice of
such revocation.

         IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney
the 21st day of May, 2003.


                                         /s/ ROGER O. WEST
                                         ---------------------------------------
                                         Roger O. West
                                         Director
                                         3333 Development Corporation,
                                         General Partner of
                                         Centex Development Company, L.P.