database question

[melioris]

I have been thinking about this for a while and I want to get feedback before I do it. I am thinking of deleting my tracker database and starting over. Ok, maybe not deleting, but not using any hh gathered before August 1, 2008. I got this huge database, and I figure that 99% of it is worthless, or worse, misleading. A lot of the regs I play against have adjusted their game over the past 6 months and the number of hands I have against them is so large that those adjustments are hidden by an avalanche of now meaningless HHs.

Thoughts?