DEXTER, Mich.  - Thomson Reuters Tax & Accounting moved towards its next generation product line with the announcement of Accounting CS, a combination of write-up and payroll, and Virtual Client Office, a client portal system to enable accounting professionals to deliver software tools to their clients from firms' Web sites. The plans were detailed by Jon Baron, president of tax and accounting's Professional Software & Services, at the unit's 29th Annual Users' Conference. The company is on a pace similar to its rival CCH which has also announced its next generation system this fall.