I will be initially reloading for:

45-70 - deer and up
300 Wby - deer and up
270 Win - deer
25-06 Rem - deer & varmints
22-250 Rem - varmints
223 Rem - varmints
40 S&W - I won't be competing in any games. This one is strictly for bad people and practicing for those bad people. Therefore, I want to practice with full power loads.

If you could recommend any especially good powders, primers, and bullets for those rounds I would appreciate it.

300wby, .270, 25-06, either h4831 or 4350

22-250 H380

.223 H335

I understand that Varget is becoming quite the powder for the 22-250 and the .223 but can't say firsthand.

For the .40, I recommend the following:

Alliant Blue Dot, for practice/plinking,
Alliant Power Pistol, same as above, plus high performance loads.

Be careful with the .40. You might find that the best accuracy is found using medium to heavy bullets, loaded to about 950 fps. Be especially careful with Power Pistol--the max loadings with this powder will really strain your pistol to the utmost. As an example, I loaded some for my Glock 22, 155 grain bullets, and loaded .5 grain below max. I fired 5 of them, and pulled the rest--the muzzle blast, flash, and recoil were tremendous! I usually start my loads AT LEAST 15% below the published maximum with Power Pistol.

beeman got me thinking in terms of practicality. I just favor IMR.

IMR 4831 for the 300 wby, 270, 25 06
IMR 4064 for the 223, 22 250, and 45 70
Unique for the 40 SW

Whatever primer

Experiment with bullets and you'd find an accurate load with each, and performance ideal for the application. These are also very versatile powders if you decide you need more toys.