default properties of MSDTC above should be read as default values

Well, it is a good question. I use pretty much same approach and since we have hundreds of SQL Servers, both W2K ( most of it is still...

sp_who2 active shows the list of active t/a's, processes and connections running on your server

If you can isolate your table on physical disk, then you can set a perfmon counters with physical writes\reads for that drive, or you can set a profiler...

maybe you should call ms and hardware vendor..?

You might want to flip your DB in a Simple recovery mode for completing reindexing.

can it be something to do with schema(2005) and dbo rights in 2000?

"...Stack dumps happen when SQL Server has an error that it cannot handle. 

The dumps are designed to be used as a debugging tool for Microsoft. 

They can sometimes clue...

can you start with server - side traces?

Would it be of any help to you?:

http://www.sqlsecurity.com/FAQs/SQLServerVersionDatabase/tabid/63/Default.aspx

If checking for DB status, you may want to go that way:

SELECT DATABASEPROPERTYEX ('YourDB','STATUS')

can you run profiler ( or rather server-side traces)?

you incorporated ActiveX in DTS package. Can't you just pass it in the job as:

DTSRUN /N"ReadFailedJobDTS" /E /SYourServer

Is it in the EM by moving Clustered Index to another Filegroup you can also move table ( which has that Clustered index?!)

Thinkpath Training (on the Lower Broadway) and New Horizons ( on 42 street) are pretty good...