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Soundreplacer should be replaced itself. Drumagog, Drum Rehab and ApTrigga all blow it away even with any bugs, anomolies and having to use the VST to RTAS wrapper from FXpansion.
I use ApTrigga (a VST plug) through the VST wrapper from FXpansion. Works great, no noticable CPU usage, nice filtering functions, nice sample blending functions, stable and works in real time with the track. Soundreplacer is audiosuite; not very easy to audition sounds when you can only use the audiosuite preview button or process a test section. Yuck! It's much easier to use one of the others that work as a plugin and make adjustments in realtime while the whole session plays.