A while ago I bought an Empirical Labs Distressor EL8-X. It's a wonderfully diverse compressor capable of delivering really usable results on almost any sound source you feed into it. The transients Distressor is able to create on electronic drums fit perfectly into dance floor tracks.
Here's a quick and simple demonstration of Distressor's characteristic slappy/snappy transients on a kick drum. 16 beats first without and then with Distressor:
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Those transient can really cut through the mix and make your drums sound powerful and aggressive.
The only problem with a Distressor is that you want two of them :-P
