I may treat myself to the wireless computer. I had one previously and had used it for some time without any issues. When I sold the bike it was on I forgot to take it off before the buyer came and I didn't have the heart to remove it when he was here! At present I have an Aldi Bikemate wired one.
I also have a Bikemate track pump, had it for a couple of years. Initially it wasn't all that cop, and felt rough when I pressed the plunger down. Gradually it has improved, helped by copious and regular applications of WD40 inside the barrel. Now it is fine up to about 80lbs for my hybrid, and does not need any more lube!