It suggests to get a cinema membership or start a dvd rental subscription.

However, it would be have done even cheaper.

Option 1: Using the Orange 2-for-1 offer on Wednesday. It could not cost you anything to get a FREE Orange Sim, and it will cut your cinema bill half every Wednesday.

Option 2: Unlike the article suggests to start a monthly subscription, it would be better value to start a Pay as you go plan.
Lovefilm ‘s best offer is
£29.22 for 15 credits, about 1.95 per DVD. You can have two DVDs at a time, the good thing is if you spend more time to watch a film, for example you might be busy with something else. It is a better option, because they would not charge you until you return the DVD back, unlike the monthly subscription will charge you no matter how many you watch.

Added on 19-Feb-2009

HMV is more focus on the current Brit Awards 2009, therefore, not 2008 CD available online.

Why not try eBay?