Sir
Tormek is generally considered a hobby machine. That said; As apprentices we were all expected to learn how to offhand grind drills and lathe tools. The learning curve for hand dressing drills is about the same as the leaning curve for your average hobby level drill grinder and about as accurate. Freehand is more satisfying BTW.
You might simply wish to consider a bench grinder or one of the 2 x 72 belt machines that are popular with the knife grinding crowd.
Good drill grinders sorry to say are spendy and take up real real-estate. Surplus tool grinders are cheap the tooling and consumables are not. In industry there is very little of that going on any more, drills, reamers and carbide inserts are way cheaper than a trained grinder hand.
Seriously if you are thinking drills smaller than 1/2", you will be money ahead to simply buy them. Advice from a guy that's owned a grinding shop running Cinci 1&2's, Monosets, Brownie 13's Stars and Wickmans.