Welcome to ECF! Congrats on cutting down...stay focused on the number you don't smoke and eventually, the number you do will become zero! It's still amazing to me how well it works to fill the void and get off the ciggies.
Personally, I don't think it matters on the brand eGo's, there's a number of manufacturers of the style out there...as long as it's a reputable company, you should be fine. They're pretty much inexpensive, long term disposable units that are great for an introduction to
vaping and even find a place in your arsenal as you grow into it. VV's are nice, I gotta say, they give you much more control over the flavor you'll get from a juice.
I don't know the Liquia brand, but it could be that they're just weaker juices. It could also be that your taste buds are fried from smoking those ciggies, but I'd probably lean more towards the juice!

Some juices just don't taste good or are super weak, it's usually best just to move on and find something you do like. I recommend sampling as much as possible in the beginning...your tastes will change, you will find things you don't like and you might be surprised by what you do like. Open your options to flavors and you might find yourself with a new favorite thing.
There's a lot of great juices out there to try and most of us order in from the great suppliers out there. This forum is chock full of recommendations,
reviews, supplier info/experiences...you're bound to find a few (or maybe a hundred) suppliers you'll want to order from. I was pretty impressed with my Mt. Baker Vapor order I received today, got a lot of good sized samples for what I thought was a great value. Initial sampling looks like I might have at least one hit on my hands, and possibly more.
Cheers! And congratulations on your success. I look forward to seeing you smoke free soon!