If you are looking at Bc4 options in the Vienna game consider lines like this and whether you want to trade your bishop for a knight.

1 e4 e5 2 Nc3 Nf6 3 Bc4 Nc6 4 d3 Na5   

which of course arises by several move orders. This sort of thing is what put me off the Vienna. 

You know, there are various position types.  You could probably do worse than, say, examining the relevant Wikipedia articles.

Are you just wondering about move order?  There are pros and cons to both; with the Bishop Opening move order you avoid 1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4, for instance (though you might want to allow that).  On the other hand after 1.e4 e5 2.Bc4 Nf6 3.d3 (other moves are possible but generally transpose elsewhere) you have to deal with 3...c6.   

If you aren't going to play the immediate 1.e4 e5 2.Nc4 Nf6 3.f4 then I'm not sure what advantage the Vienna opening move order might bring, but I'm no expert on these lines. 

I guess you have to decide whether you want to play 1.e4 e5 2.Nc3 Nf6  3.g3 (or even 3.Nf3 Nc6 4.g3) first.  If you want to play a fianchetto system, then obviously you won't play the Bishop's opening! 

Hello,

What are the main differences of playing one or the other? I have noted they lead to similar positions. Plans I have seen:

Nc3, d3, e4, Bc4, f4
Nc2, g2, Bg2, Nge2, f4
f4 and f5...

They have the good points of been easy to learn which is a point for a busy person as me. What your opinions about this opening? should I prefer the bishop's or the vienna? are there other plans? which gives better chances?

thanks