Wanting to buy HPS Nap Campaign, but hesitating

[Drakken]

I am newly introduced to John Tiller Operational games, having only bought Smolensk '41 to learn the ropes. Still a bootcamper.

I'm highly interested in trying a Napoleonic Campaign game, but I find myself hesitating. I am not sure if I am ready, as from the screenshots I've seen these are usually massive, or whether they are newbie friendly or not. I have read the whole forum here on whether discussion there was on HPS Napoleon Campaign games, but I am still on the fence.

Should I make the jump? What are the principal differences with Panzer Campaigns? What weaknesses I should expect from the games?

I'm very interested in Napoleon's Russian Campaign, as it is the one campaign in which Napoleon broke his fangs in and so seem to be competitive to play as the Russians. However I do not see a lot of PBEM Campaign games with this particular theater. Also Waterloo is one I'd light to try out.

Thanks!