In reply to recent posts --
The first of the new 75-foot Seagrave tower ladders is not expected until late November, at the very earliest.
Requests for bids, when they go out, will be for two, not one, 95-foot tower ladders.  They will be for the Bureau of Training and L 172.   Delivery is not expected until the end of next year at the earliest.
Only one 100-foot tiller is going out for bids for the current year orders;  none is planned for next year.
More apparatus information is available in the 8th Edition of the FDNY Operational Reference.
According to the 8th edition of the Operational Reference which you cite, seven TDA's are planned for 2010 as I reported.