I had a flights this week which covered visiting Virgin lounge one day and QF another in MEL and flew business on each carrier. I don't think there is a significant difference between the two lounge products. Virgin lounge this week was offering the said wraps, plus salads which were not too bad and a thai chicken soup with bread rolls which was tasty. The QF lounge had a bit of a wider selection but found the food overall to be lacking. They offered the korean pork and kimchi freshly served by the chef but thought it was not that good. The noodles they offered for my taste were too greasy. Between the two lounges I preferred the Virgin offerings. As to cleaning staff, I was at the Virgin lounge at a busy time of the day and the staff were on it with the cleaning as were QF but at that time the lounge was quiet. As to the drink offerings, QF did have barista service which I consider a bonus, alcohol wise I have nothing to offer as do not drink. On board, I find the Virgin business class seat to be roomier than QF, it just felt more spacious. I was indifferent to food offerings on both services. I do find the Virgin staff to be a bit warmer and friendlier, maybe more genuine, but that's not to say the QF staff were terrible.