One of the most popular replacement DLP TV lamps by far is the Sony XL2100U.  It works with a wide range of rear projection televisions.

While Sony charges about $200 for a brand new replacement you can pick one up for $80 through Amazon.com.

• XL2100U Sony Lamp Price Drop – Now $125
• Sony XL2100U Lamp Now Only $72 (FREE SHIPPING!)
• How Long Does XL2100U Last?
• Sony XL2100U Bulb
• XL-5100 (F-9308-760-0) Sony TV Lamp Now Only $100