I have 2x ALM PipSlope and a WMS/SSF ADSRVCA, I find they are both great for different things, the PipSlope's Attack Decay isn't as good as the full ADSR if you want something chewy for a filter to get its teeth into.
If I need more I'll probably build a Befaco ADSR as it does pretty much the same as the Instruo Ceis but a touch cheaper.

Enjoy your spare HP, don't rush to fill every last space, this is not like filling sticker books. Resist the urge to 'complete' your rack, its never complete so just relax.

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