You're in luck. I found this build for you. With your money, a Athlon or Phenom is better money than a Core processor. You can base everything off of this build and substitute the components they recommend for the ones you have.
Apevia ATXB4KLW-BK-Apevia X-Dreamer II 10-Bay ATX Mid-Tower Window Computer Case, Logisys CS-206BK-Logisys CS-206BK 10-Bay ATX Mid Tower Computer Case w/480W 20+4, Logisys CS51WBK-Logisys 11-Bay ATX Mid Tower Window Computer Case w/480W 20+4-pi, Generic BLU-CLRCAS-3LED-N-11-Bay ATX Mid Tower Computer Case w/3x80mm LED Fans -, 10-Bay ATX Mid Tower Computer Case - No PSU (Black/Silver), Logisys CS-301BK 10-Bay ATX Mid Tower Computer Case W/ 480W PSU & Fan, Cooler Master HAF 922 10-Bay ATX Mid Tower Computer Cas, Cooler Master Elite 430 11-Bay ATX Mid Tower Computer C, Logisys IKONIK SOHO2 10-Bay ATX Mid Tower Computer Case, Apevia X-Dreamer II 10-Bay ATX Mid-Tower Window Compute, iMicro CA-I816USB 10-Bay ATX Computer Case Kit w/400W P, Logisys CS-206BK 10-Bay ATX Mid Tower Computer Case w/4, Apevia X-Dreamer II 10-Bay ATX Mid-Tower Window Compute, Cooler Master Elite 372 9-Bay ATX Mid-Tower Computer Ca, Thermaltake Black 10 Bay ATX Mid-tower VL80001W2Z Desktop Computer Case, 4U 12 Bay ATX Rackmount Chassis Computer Rack Mount Case w. 550W Power Supply, 4U 12 Bay ATX Rackmount Chassis Computer Rack Mount Case w. 600W Power Supply, 10-Bay ATX Mid Tower Computer Case - No PSU (Black/Red), Apevia ATXB4KLW-AL-Apevia X-Dreamer II 10-Bay ATX Mid-Tower Window Computer Case, Logisys CS-206BK-Logisys CS-206BK 10-Bay ATX Mid Tower Computer Case w/480W 20+4, Generic T6027-10-Bay ATX Mid Tower Computer Case - No PSU (Black/Silver) - Kit, NZXT CA-SW810-W1 White Steel Switch 810 ATX 4/0/(6) Bay USB 3.0 Computer Case, NZXT CA-SW810-B1 Black Steel Switch 810 ATX 4/0/(6) Bay USB3.0 Computer Case, NZXT CA-SW810-W1 White Steel Switch 810 ATX 4/0/(6) Bay USB 3.0 Computer Case, NZXT CA-SW810-B1 Black Steel Switch 810 ATX 4/0/(6) Bay USB3.0 Computer Case, NZXT CA-SW810-W1 White Steel Switch 810 ATX 4/0/(6) Bay USB 3.0 Computer Case, NZXT CA-SW810-B1 Black Steel Switch 810 ATX 4/0/(6) Bay USB3.0 Computer Case, NZXT CA-SW810-B1 Black Steel Switch 810 ATX 4/0/(6) Bay USB3.0 Computer Case , NZXT CA-SW810-W1 White Steel Switch 810 ATX 4/0/(6) Bay USB 3.0 Computer Case , Cooler Master HAF 922 10-Bay ATX Mid Tower Computer Case w/200mm Red LED Fan, iMicro CA-I816USB 10-Bay ATX Computer Case Kit w/400W P, Apevia X-Dreamer II 10-Bay ATX Mid-Tower Window Compute, Apevia X-Dreamer II 10-Bay ATX Mid-Tower Window Compute, Logisys IKONIK SOHO2 10-Bay ATX Mid Tower Computer Case, 4U 12 Bay ATX Rackmount Chassis Computer Rack Mount Case w. 550W Power Supply, 4U 12 Bay ATX Rackmount Chassis Computer Rack Mount Case w. 600W Power Supply, Cooler Master Elite 430 11-Bay ATX Mid Tower Computer Case BLACK, no PSU, Cooler Master HAF 922 10-Bay ATX Mid Tower Computer Case w/Red LED Fan, NZXT CS-NT-H2-B Black Steel H2 Classic ATX MidTower 3/0/(8)Bay USB Computer Case, NZXT CA-PH410-G1 Black Steel PHANTOM 410 ATX Mid Tower 3/0/(6) Bay Computer Case, NZXT CA-PH410-B2 Black Steel PHANTOM 410 ATX Mid Tower 3/0/(6) Bay Computer Case, NZXT T410E-001 BlackSteel Tempest410 Elite ATX MidTower 3/0/(8)Bay Computer Case, NZXT T410-001 Black Steel Tempest 410 ATX Mid Tower 3/0/(8)Bay USB Computer Case, NZXT LEXS-001BK Black Steel LEXA S ATX Mid Tower 4/0/(7) Bay USB Computer Case, NZXT CS-NT-H2-B Black Steel H2 Classic ATX MidTower 3/0/(8)Bay USB Computer Case, NZXT CA-PH410-G1 Black Steel PHANTOM 410 ATX Mid Tower 3/0/(6) Bay Computer Case, NZXT CA-PH410-B2 Black Steel PHANTOM 410 ATX Mid Tower 3/0/(6) Bay Computer Case, NZXT T410E-001 BlackSteel Tempest410 Elite ATX MidTower 3/0/(8)Bay Computer Case, NZXT T410-001 Black Steel Tempest 410 ATX Mid Tower 3/0/(8)Bay USB Computer Case, NZXT LEXS-001BK Black Steel LEXA S ATX Mid Tower 4/0/(7) Bay USB Computer Case,
