You have a rifle that's capable of planting whatever animal on the planet you choose to hunt.

The Weatherby pushes bullets faster, and it burns more powder and it runs more expensive brass, and you don't have the reloading dies for it yet, you do for the lott.

The CZ is stocked in a very nice handling configuration which is versatile and sweet to carry and shoot.
The Weatherby is stocked in a different fashion which assumes you'd be running a telescopic sight - and would be a serious compromise over iron sights.

You already own the CZ
If I recall properly, you went through quite a bit of sacrifice and effort to get the funds together and to get through the process of getting the CZ
This has appeared to me to have been somewhat of an emotional process for you, but you took great strides along the way to assure yourself you'd made the right choice.

If your emotions are getting affected by the Weatherby to a great enough extent to have you seriously second-guessing your purchase of the CZ - and you can't rest at night because of this, damn the money and get the Weatherby and live with it.

Cheers
Tinker