RE: best pre workout for energy/pumps
for pure energy and no pump, check out these products:
Biotest Spike - 11 quid a box
ALRI Primed Ultra - very good, eerrrr....24 quid?
Anabolic Xtreme Rampage - good, 12 quid
Numbers are off the top of my head.
For cheap pump products, they all work out to be around 30 quid for a month's supply. You could try ALRI N Gorge, I think that's probably the cheapest at 26.99 per tub. Gets good reviews in the US too.