The TC Powercore range is only compatbile with VST and Audio Unit applications. Pro Tools
LE uses RTAS for its plugins, so you'll need to purchase an adaptor.
FXpansion do a
suitable convertor (VST - RTAS) and there's a review here: http://www.soundonsound.com/sos/jul04/articles/fxpansion.htm
I don't personally use this combination, but I understand that even with the adaptor,
not all the powercore plugins work properly (or even at all?).
would be to purchase a decent suite of plugins, or just a separate reverb. Waves do a
highly regarded selection of plugins and support RTAS. The Waves Native bundle should come
to about the same price as a Powercore Firewire and offer similarly high quality
Do a search on this site for reviews of Waves and other plugin sets.
--------------------Neowin - Where Unprofessional Journalism Looks Better