here we go...

DeLay to Be Subject of Ethics Complaint
Democrat's Wide-Ranging Charges Break Unwritten Truce Between Parties

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The complaint, which Rep. Chris Bell (D-Tex.) said he will send to the House ethics committee, accuses the House's second-ranking Republican of soliciting campaign contributions in return for legislative favors; laundering illegal campaign contributions through a Texas political action committee; and improperly involving a federal agency in a Texas partisan matter. The House's top two Democrats raised no objections when Bell told them he would file the complaint, according to Bell's office and party leadership aides.
[...]

Naturally the Republican response will be to file ethics charges against Democrats in return. Who do you think will be up first?