Davin, I really doubt that all religions are the same just 'different paths on the same mountain' becuase they preach different things. Some beliefs are plain and simply put, irreconcilable.
I believe that you do not need a 'sacred text' to tell you what to do. I believe that even without Christianity/religion you can be a moral person, by just adhering to what could be called 'procedural fairness', and a heightened self-awareness (for example, I wouldn't like to be assaulted in the street, hence I don't do it to other people). I don't believe that the Bible is necessary for society to function well, although I will admit that some of the messages contained in the Bible are good ones, such as 'love thy neighbour'.
On the other hand, there are also some 'questionable' teachings in the bible, (maybe I'm just interpreting them wrong). But for example, have a look at 2 Kings 2:23-24, where basically a bunch of kids pay out a guy for being bald. The bald guy curses them in the name of the Lord, and 42 she-bears come out of the woods and maim/kill the kids. That's some brilliant teaching there isn't it?
Let's have a look at something else presented in the bible. Hmmm... what about Luke 6:30, where it basically says "if someone asks you for money, give it to them and if somebody takes something, do not ask for it back". How's that for absolute morality? Next time you find a person who literally believes everything in the Bible, quote this verse and ask them for their money... after all, it's part of their sacred text and the language used is pretty clear... not much else you can interpret it as. If you asked them for their money and they didn't give it to you, they'd feel bad now wouldn't they? So just go and do the 'right thing' and don't feel ashamed as you take their money
(note: obviously this may not apply to people who don't take the Bible literally, because they'd just rather re-interpret the bible to suit whatever they want to do)