I suggested the Z-DSP and Bitbox because of their flexibility. Of course you pay a price for that.

An alternative to the Z-DSP that's less expensive is the XAOC Devices TIMISZOARA. It uses the same 24–bit Spin FV1 DSP engine. However the Timiszoara is missing the analog feedback loop and clocking ability. Those features are planned for an expansion module. But once you purchase that, you'll probably wind up paying the same.

There are plenty of alternatives to Bitbox... but again you give up features and functionality.

The 2HP delay is okay. I own one. A better alternative would be the stereo Jelly Wobbler. But the 2HP will get the basic job done. The Bitbox has an alternative firmware (free) that turns it into an FX box.