call dixons travel at Dublin Airport both T1 and T2 ask for prices then can different on both terminals and if you intersted i can help you to get it as im working at Dublin Airport.
For sports you may find ball head more handier coz it’s quick to use but for macro you may need more precision so better will be a 3 way head, landscapes both will work but most photographers would take 3 way head I suppose.
i have been using them for a while before i moved in to apartment and i was happy with the results but you need to notice im only enthusiast photographer
speed lights are more portable if you want studio flash and shoot outdoor you will need battery pack witch are expensive , you can buy almost any speed light and use radio trigger to fire them but they should have manual mode to let you set power