Pre-flop question

[MarkD]

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Assuming x is not ace or deuce, the hand is not a very strong starting hand. (But of course I like A345 and 2345 if at least single suited, and especially if double suited. I hate rainbow hands.

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I was just going through some older posts and read this quote by Buzz which got me thinking about pre-flop a bit. I haven't played O/8 a ton but feel as if I am least decent (and have been dabbling in 10/20 and 15/30 recently) and I don't understand this suited comment on the 2345 hand.

In O/8 how much extra equity does being suited with a hand like 2345 actually gain you?

I guess this boils down to how often you run up against another flush higher than yours, in general, in O/8. I know it is a lot more often than in holdem but does someone out there have some thoughts on this maybe.

I personally wouldn't put much emphasis on my hand being suited or double suited in the 2345 example. I know it adds to your equity, which is always good, but how much? Is it significant? Are we talking about a 1% equity increase (which is approaching significance IMO) or are we talking about 0.1% increase?

(In holdem a hand that is suited has about 3% more equity than it's unsuited counterpart. That is quite a bit of difference.)