Worth pursuing this rental?

[Minna Reid]

Ok so it's next to impossible to find any cashflowing property in my area but I found this 3 family house that looks promising. It seems to be listed incorrectly so I don't think its getting exposure.
They are asking 237k
Fully occupied for $2650 in rents
Expenses at $888/month (includes taxes, maintenance, heat, etc).
The loans that I have available (before shopping the lenders against each other), are 75/25 at 7.125% int only, and 13.5 fixed, or 75/20 at 7% int only and 11.25 fixed.
Now supposing I paid full asking price (which I wouldn't, but just theoretically) and put 5% down, cash flow would be $265/month or with 0 down - $29/month. Now those numbers aren't impressive, I know, but that's a starting point. It's also one of the only mf's that I've found that would cash flow AT ALL.
At say 200k we're looking at $499 or $298 in cashflow/month. I know these are preliminary numbers, but I'm wondering if I should pursue this at all? What do you consider bare minimum cashflow per unit to be acceptable? Should I wait til I can dole out 10%+ on down payments, which may be awhile? At this very moment I have only about 20k thats not tied up elsewhere.
And sorry for yet another long winded post - guess I have lots to say, or rather need lots of advice. Thanks all-