if you are considering great balloon decors and outstanding hosts/magician, i strongly suggest no to go for restaurant as your venue... unless, you can find one which is willing to close down their place and give you exclusivity not only during your party time, but starting 4 hours before your event starts.
why 4 hours, great balloon decors can't be made in a jiffy... artists need at least 4 to 5 hours.
more often than not, resto can only offer balloon on stick or simple balloon set up.
just the same, i know a resto along roxas boulevard na free sana ang balloon decor... as in umaapaw ng balloons, but then laging flower balloons ang ginagawa nila... tatadtatarin nila yung buong venue ng flower balloons sa wall... kahit pa sabihin mong transformer ang theme mo... puro flowers pa rin... then one time, strawberry shortcake ang theme ng client, on us, talagang nagpaka-OC siya na shades of green and pink lang talaga ang dalhin naming swags and other balloon decors... just the same, in-avail niya pa rin yung free na balloon decor nung venue... kaso pagdating namin sa venue, kahit na ang aga na namin, nakakabit na yung mga wall decors nila na out of motiff ang colors... he-he...